Growing Shallots in Pots and Containers – Complete UK Guide

Growing shallots in pots and containers is a fantastic way to enjoy delicious home-grown vegetables, even if you don’t have an allotment or a traditional vegetable garden.

And the good news is that shallots are particularly well suited to container gardening.

You don’t need enormous raised beds or a large garden to grow them successfully.

With a suitable pot, good-quality compost, plenty of sunlight and a little care, you can grow your own shallots on a patio, courtyard or balcony.

One of the most exciting things about growing traditional shallots is how they multiply.

You plant one small shallot set, and with the right growing conditions, it can produce a cluster of several new bulbs.

That means even a relatively small container can give you a useful harvest.

Here at Gardening with Ben, I love growing shallots, onions and garlic on the allotment.

But I also think it’s important to show that you don’t need a full-sized allotment to grow your own food.

Not everyone has access to a large garden.

And even if you do have an allotment, growing a few shallots in pots can be useful for experimenting with new varieties or managing difficult soil conditions.

Pots are particularly helpful if your garden soil becomes extremely wet during winter.

However, growing shallots in containers is slightly different from growing them in the ground.

Pots can dry out more quickly.

The plants have a limited amount of compost.

And if you overcrowd a container, your shallots may struggle to develop properly.

That’s why choosing the right container size, compost and planting layout is so important.

In this complete UK gardening guide, I’ll explain everything you need to know about growing shallots in pots and containers.

We’ll look at the best pot sizes, how many sets you can plant, which compost works well, how deep shallots should be planted and when to start growing them.

I’ll also cover watering, feeding, looking after autumn-planted shallots, common problems, harvesting and storing your home-grown bulbs.

So whether you’ve got a sunny patio, a small garden or just room for a few large containers, let’s get growing!

Can You Grow Shallots in Pots?

Yes!

Shallots can grow successfully in pots and containers, provided you give them enough space and suitable growing conditions.

The Royal Horticultural Society recommends containers at least 30 cm wide and deep for shallot growing.

They also recommend using peat-free soil-based compost.

Why Are Shallots Suitable for Containers?

Shallots don’t generally produce enormous plants.

They grow upright leaves and develop bulbs close to the soil surface.

This makes them well suited to large pots, tubs and troughs.

Do Shallots Need a Deep Pot?

They need enough depth for healthy root development.

A minimum of approximately 30 cm is a useful starting point.

Can You Grow Traditional Multiplying Shallots in Pots?

Yes.

Traditional shallot sets can develop into clusters of new bulbs in suitable containers.

What About Seed-Grown Shallots?

You can grow seed-raised varieties in pots too.

However, the plants may have different bulb-forming habits.

Are Pots Better Than Growing in the Ground?

Not necessarily.

Both methods can work extremely well.

Pots are particularly useful when growing space is limited or garden soil drains poorly.

However, container-grown shallots usually require more careful watering.

Gardening with Ben tip: If your garden soil gets absolutely saturated during winter, why not try growing a few shallots in large pots? It’s a useful way to compare container growing with planting directly in the ground.

Why Grow Shallots in Containers?

There are several excellent reasons to grow your shallots in pots.

1. You Don’t Need an Allotment

A sunny patio or small garden can provide enough space for a useful crop.

2. Pots Can Be Moved

You can position containers where they receive plenty of sunlight.

You can also move them to a more sheltered location during severe weather.

3. You Can Control the Growing Medium

Instead of relying on heavy clay or poor garden soil, you can use a suitable peat-free potting compost.

4. They Can Be Easier to Maintain

Pots raised off the ground may be easier to access for watering, weeding and checking for pests.

5. You Can Grow Different Varieties

Try one variety in each container and compare the results.

6. They Can Be Useful for Autumn Planting

Containers allow you to choose a well-drained growing medium and move the crop away from particularly exposed positions.

7. They’re Great for Beginners

Growing a few shallots in pots is an excellent introduction to producing your own vegetables.

What Size Pot Do You Need for Shallots?

Choosing the correct pot size is one of the most important parts of growing shallots in containers.

If the pot is too small, the roots have limited room and the developing bulbs may become overcrowded.

Minimum Shallot Pot Size

The RHS recommends a container measuring at least 30 cm wide and deep.

This is a sensible starting point for a small planting.

Is a 30 cm Pot Big Enough?

Yes, for a limited number of plants.

For a traditional multiplying shallot set, I’d generally begin with one well-positioned set in a 30 cm round container.

This gives the bulb room to form its cluster.

Is a 40 cm Pot Better?

A larger container provides more room.

It also holds more compost, which can help reduce rapid drying.

Depending on its internal dimensions, you may be able to accommodate two or three traditional shallot sets without overcrowding.

What About a 50 cm Pot?

A 50 cm pot can provide useful space for several sets.

However, don’t plant right against the edges.

Remember that traditional shallots multiply and need room for their developing bulb clusters.

Is a 60 cm Container Suitable?

Yes.

A large 60 cm tub or planter is a particularly useful option for growing a small group of shallots.

It offers greater growing space and usually holds moisture more consistently than a tiny pot.

Are Bigger Pots Always Better?

Larger pots can make watering and spacing easier.

However, they cost more to fill and may become very heavy.

Choose a size that works for your available space and the number of shallots you want to grow.

How Many Shallots Can You Grow in One Pot?

The number depends on the pot’s usable internal width, shape and the type of shallot.

For traditional multiplying shallot sets, the usual recommendation is approximately 15–20 cm between plants.

You should also leave some clearance from the pot’s sides.

Example Container Planting Guide

Container diameter	Approximate number of traditional shallot sets
30 cm	1 set
40 cm	2 sets, possibly 3 with careful layout
45 cm	3 sets
50 cm	3–4 sets
60 cm	Approximately 5–7 sets with suitable spacing

These are illustrative layouts, not fixed planting capacities.

The exact number depends on the container’s internal dimensions and the spacing you can maintain.

What Happens If You Plant Too Many Shallots?

Overcrowding can result in smaller bulbs.

Plants may compete for moisture, light and nutrients.

Does One Set Always Produce Several Bulbs?

Traditional multiplying varieties commonly produce clusters, but the number of bulbs varies.

Seed-grown shallots may produce one bulb per individual plant.

What Would I Recommend?

For beginners, don’t try to squeeze in as many sets as possible.

A smaller number of well-spaced shallots can be more rewarding than an overcrowded container.

What Type of Pot Is Best for Growing Shallots?

Several container materials can work well.

Plastic Pots

Plastic pots are lightweight and often inexpensive.

They generally retain moisture longer than unglazed terracotta.

Terracotta Pots

Terracotta looks attractive on patios.

However, it can dry out quickly because moisture escapes through the porous sides.

Large Tubs

Large tubs are useful when growing several shallot sets together.

Wooden Planters

Wooden planters can look attractive and provide generous space.

Make sure the wood is suitable for edible crops and that the planter drains properly.

Fabric Grow Bags

Deep fabric containers can be used if they’re suitably sized and stable.

However, ordinary shallow growing bags are not recommended by the RHS for shallots.

Are Buckets Suitable?

A strong, food-safe bucket can potentially be repurposed as a planter if it’s deep and wide enough and has proper drainage.

Avoid unknown containers that may previously have contained harmful chemicals.

Which Would I Choose?

A large, sturdy plastic or wooden container is a sensible option.

Something around 45–60 cm wide with at least 30 cm of depth makes managing several shallots much easier.

Do Shallot Pots Need Drainage Holes?

Yes.

Good drainage is essential when growing shallots in containers.

Without drainage holes, water can collect around the root zone.

This can damage roots and cause the bulbs to rot.

How Many Drainage Holes Should a Pot Have?

There isn’t one universal number.

The important thing is that excess water can leave the container freely.

Can You Put Gravel in the Bottom?

A thick layer of gravel isn’t a substitute for drainage holes and can reduce the amount of useful growing medium.

Focus on an appropriately designed container and suitable compost.

Should You Use a Saucer?

You can, but don’t leave outdoor shallot pots standing in water for prolonged periods.

Should You Raise Pots Off the Ground?

Pot feet can help keep drainage holes clear on patios.

They’re particularly useful during wet British winters.

What Is the Best Compost for Shallots in Pots?

The RHS recommends peat-free soil-based compost for growing shallots in containers.

This is an excellent choice because it provides a relatively stable growing medium.

What Is Soil-Based Compost?

Soil-based compost contains loam alongside other ingredients.

It’s different from homemade garden compost, which is primarily used as a soil improver.

Can You Use John Innes Compost?

A suitable peat-free John Innes-type potting mix is a sensible option.

Can You Use Multi-Purpose Compost?

A good-quality peat-free multi-purpose compost may support growth, but the RHS specifically recommends soil-based compost for shallots in containers.

Can You Use Homemade Compost?

Mature homemade compost may be used appropriately as a component, but it isn’t always suitable as the entire container-growing medium.

Should You Add Garden Soil?

Avoid filling pots with heavy, compacted garden soil alone.

It may drain poorly and become difficult for roots to penetrate.

Do You Need to Add Extra Fertiliser?

Not automatically.

Many commercial potting composts already contain nutrients.

Check the product information before adding more.

When Should You Plant Shallots in Pots in the UK?

Shallots can be grown in containers during autumn or spring, depending on the variety.

Planting Shallots in February

Suitable late-winter or spring sets can be planted when growing conditions allow.

Planting Shallots in March

March is one of the main months for planting spring shallot sets.

Planting Shallots in April

April is another excellent month for many spring varieties.

Planting Shallots in September

Some overwintering varieties are suitable for September planting.

Planting Shallots in October

October is an excellent month to consider planting suitable autumn shallot varieties.

Planting Shallots in November

Some autumn or winter varieties may still be planted during November.

What About December?

Certain sets are suitable for winter planting, but check the supplier’s advice.

Can You Plant Spring Shallots in October?

Don’t assume that ordinary spring sets can be planted during autumn.

Choose varieties specifically recommended for the season.

Best Shallot Varieties for Pots

You can grow many traditional shallot varieties successfully in containers.

The main requirements are adequate spacing, good drainage and suitable planting dates.

Shallot ‘Golden Gourmet’

A useful traditional golden-skinned variety.

It’s worth considering if you want classic shallots for everyday cooking.

Shallot ‘Red Sun’

This variety produces attractive reddish-brown bulbs.

It’s an interesting choice for comparing red shallots with golden varieties.

Shallot ‘Longor’

‘Longor’ produces elongated banana-type shallots.

Traditional sets can form clusters of long bulbs.

Shallot ‘Matador’

A rounded variety worth considering for its productivity and keeping qualities.

Shallot ‘Zebrune’

‘Zebrune’ is particularly interesting if you want to grow elongated shallots from seed.

Which Variety Is Best for a Beginner?

I’d start with healthy traditional sets supplied for the intended planting season.

Choose a named variety that’s readily available from a reputable UK supplier.

Can You Grow Several Varieties in One Container?

You can, but I would usually keep varieties separate.

That makes it easier to compare growth, harvesting dates and bulb quality.

How to Plant Shallot Sets in Pots – Step-by-Step

Now let’s get planting!

This method is suitable for traditional shallot sets grown in containers.

Step 1: Choose the Right Pot

Use a container at least 30 cm wide and deep.

For several sets, choose a substantially wider pot or planter.

Step 2: Check the Drainage

Make sure the drainage holes are open and functioning.

Step 3: Choose Good Compost

Use peat-free soil-based potting compost.

Step 4: Fill the Container

Add compost, leaving a small gap below the rim to make watering easier.

Step 5: Gently Level the Surface

Don’t press the compost down excessively.

Step 6: Select Healthy Shallot Sets

Choose firm sets without visible mould or rot.

Step 7: Plan the Planting Positions

Allow around 15–20 cm between traditional shallot sets.

Step 8: Identify the Pointed End

The pointed tip goes upwards.

The flatter basal plate faces downwards.

Step 9: Make a Shallow Planting Hole

Use your fingers or a small trowel.

Step 10: Place the Shallot Set

Position it with the root-producing base in contact with the compost.

Step 11: Leave the Tip Showing

Plant shallowly so the pointed tip remains just visible above the compost surface.

Step 12: Firm Gently

Press the compost around the set to hold it in place.

Step 13: Plant the Remaining Sets

Follow your planned spacing rather than overcrowding.

Step 14: Water Carefully

Water to settle the compost, allowing excess water to drain away.

Step 15: Add a Label

Record the variety and planting date.

Step 16: Position the Container

Choose a sunny outdoor location.

Step 17: Check for Bird Damage

Birds sometimes pull newly planted sets from pots.

Step 18: Monitor Moisture

Check the compost regularly, especially during warm or windy weather.

Step 19: Remove Weeds

Even containers can develop weeds.

Step 20: Watch Your Shallots Grow

With suitable conditions, green shoots will begin developing and the plants will establish.

Gardening with Ben tip: When planting shallots in pots, remember three things: choose a large container, leave the pointed tips just showing and give each set enough room to multiply.

How Deep Should Shallots Be Planted in Pots?

Shallot sets should generally be planted shallowly.

Leave the pointed tips just visible above the compost surface.

Is This the Same as Planting Garlic?

No.

Ordinary garlic cloves are generally planted fully beneath the soil.

Shallot sets are usually positioned more shallowly.

What Happens If You Plant Too Deeply?

The sets may struggle to establish, particularly in wet growing media.

What If You Plant Too Shallowly?

The set may become loose and fail to develop good contact with the compost.

Should You Cover the Tip with Mulch?

Avoid smothering newly planted shallot tips beneath a thick layer of mulch.

How Far Apart Should Shallots Be in Containers?

For traditional multiplying shallots, use approximately 15–20 cm between sets.

Can You Plant Shallots 10 cm Apart?

Closer planting may produce smaller bulbs.

In a limited container, this can also increase competition for moisture and nutrients.

Should You Allow Space Around the Edges?

Yes.

Don’t position every set against the pot’s sides.

What About Seed-Grown Shallots?

Individual seed-grown plants may have different spacing requirements.

Follow the instructions for the chosen variety.

Can You Grow Shallots in a Long Trough?

Yes.

A long, deep trough can be excellent because you can space plants in a straight row.

Make sure the trough provides sufficient depth and drainage.

How to Grow Shallots from Seed in Pots

Shallot seeds offer another way to grow container crops.

Varieties such as ‘Zebrune’ are particularly interesting.

When Should You Sow?

Sow suitable varieties indoors during late winter.

February is a useful starting point for many gardeners.

What Equipment Do You Need?

Use seed trays or modular trays.

Fill them with suitable peat-free seed compost.

How Many Seeds Per Module?

A common method is sowing five or six seeds per module.

Thin to three or four seedlings as they develop.

Why Sow Several Seeds Together?

Each seedling generally produces one bulb.

Keeping several plants together allows you to harvest a group of smaller bulbs.

Do You Separate the Seedlings?

Not necessarily.

Multi-sown modules can be transplanted intact.

When Should You Move Them Outside?

During spring, after gradually hardening the seedlings off.

How Should You Plant Them in a Container?

Space groups around 15–20 cm apart, depending on the variety and container size.

Can You Sow Seeds Directly into a Large Pot?

Yes.

Sow at the appropriate spring date and thin the seedlings according to the variety’s recommendations.

Where Should You Position Shallot Pots?

Shallots grow best in a sunny location.

Is a South-Facing Patio Good?

Yes.

A south-facing patio can provide excellent sunlight.

However, pots may dry out quickly during hot weather.

What About an East-Facing Garden?

An east-facing position can work if it receives enough direct sun.

Can Shallots Grow on a Balcony?

Yes, provided there is sufficient sunlight and the containers are stable and safely supported.

Remember that a large pot full of moist compost can be very heavy.

Can They Grow in Shade?

Heavy shade can reduce leaf growth and bulb development.

Should You Move Pots Around?

You can move them if necessary, but avoid constantly disturbing established plants.

How Often Should You Water Shallots in Pots?

Watering is one of the biggest differences between container-grown shallots and shallots planted in the ground.

Pots can dry out much more quickly, especially during spring and summer.

Do Shallots Need Water Every Day?

Not automatically.

Watering frequency depends on the weather, pot size, compost and plant development.

How Do You Check?

Push your finger a little way into the compost.

If it’s drying below the surface during active growth, watering may be needed.

How Much Water Should You Give?

Water gently and thoroughly, allowing the growing medium to become adequately moist.

Avoid leaving the pot standing in water.

Watering During Autumn

Natural rainfall may be sufficient.

However, containers positioned beneath roofs or in sheltered corners can remain unexpectedly dry.

Watering During Winter

Check occasionally.

Avoid watering already wet or frozen compost.

Watering During Spring

As foliage grows more vigorously, moisture requirements increase.

Watering During Summer

During warm, dry spells, containers may need checking every day.

Some may need watering daily, depending on conditions.

When Should You Stop Watering?

Reduce or stop watering as the bulbs mature and their foliage naturally begins dying back.

The RHS advises avoiding unnecessary watering once shallot bulbs have swollen in midsummer.

Gardening with Ben tip: Never water shallot pots simply because it’s a particular day of the week. Check the compost first. A large pot in cool weather needs very different care from a small pot in full summer sunshine.

How to Feed Shallots in Containers

Shallots grown in pots have access to a limited amount of compost.

That means nutrients may become depleted during the growing season.

However, feeding isn’t always necessary immediately after planting.

Does Potting Compost Contain Nutrients?

Many commercial potting composts contain a starter supply of nutrients.

Check the manufacturer’s information.

Should You Feed When Planting?

Not automatically.

Adding excessive fertiliser to fresh compost may be unnecessary.

What About Spring Growth?

If the plants show signs of nutrient shortage after establishment, a suitable balanced fertiliser may help.

Can You Use Onion and Garlic Feed?

Yes.

A suitable allium fertiliser can be used according to the product instructions.

Can You Use Liquid Seaweed?

Some liquid seaweed products are marketed as plant tonics.

However, they aren’t necessarily complete fertilisers.

Check what nutrients the product supplies.

Can You Use Chicken Manure Pellets?

They can be used in suitable quantities, but avoid applying too much to a relatively small container.

What About Tomato Feed?

A potassium-rich liquid feed may be used where appropriate, but it’s not automatically required.

The goal is balanced nutrition rather than constantly switching between fertilisers.

When Should Feeding Stop?

Avoid unnecessary feeding as the shallots finish growing and approach harvest.

Growing Shallots in Pots During Autumn and Winter

Autumn container growing is particularly interesting if you want to keep your patio productive throughout winter.

Choose the Correct Variety

Only plant varieties specifically recommended for autumn or winter planting.

Make Sure the Pot Drains

This is essential during prolonged British rainfall.

Raise the Pot if Necessary

Pot feet can prevent blocked drainage holes.

Protect Against Severe Weather

Suitable overwintering varieties can tolerate cold conditions, but roots in containers are more exposed to temperature fluctuations than plants in open ground.

During prolonged severe weather, move pots to a sheltered outdoor position if possible.

Should You Bring Shallots Indoors?

A warm room isn’t generally suitable for growing mature shallot bulbs.

They need adequate light and normal seasonal conditions.

Can You Put Pots in an Unheated Greenhouse?

You can use an unheated greenhouse for temporary protection, provided there’s sufficient light, ventilation and moisture management.

Will Shallots Grow All Winter?

Not necessarily.

Growth may slow considerably during cold weather.

When Will They Grow Faster?

As temperatures and daylight increase during spring, established plants usually produce stronger foliage.

Can You Grow Shallots in a Polytunnel?

Yes, although it isn’t usually necessary.

What Are the Advantages?

A polytunnel can protect containers from excessive winter rainfall.

What Are the Disadvantages?

Pots may dry out unexpectedly.

Temperatures can rise quickly on sunny days.

Ventilation is essential.

Is a Polytunnel Better Than Outdoors?

Not automatically.

A sunny outdoor position with suitable drainage can produce excellent crops.

Would I Use a Polytunnel?

I might use it to protect a few containers during particularly wet periods, but I’d generally prefer growing shallots outdoors where possible.

Can You Grow Shallots in Potato Buckets?

Large potato-growing buckets can potentially be used for shallots.

However, check the dimensions.

Are They Deep Enough?

Many potato buckets provide adequate depth.

Are They Wide Enough?

This is often the limiting factor.

Traditional shallot sets need room to multiply.

How Many Sets Should You Plant?

Base the number on the internal width of the bucket.

If it’s around 30 cm wide, start with one traditional multiplying set.

What Compost Should You Use?

Peat-free soil-based potting compost is a good choice.

What About Drainage?

Ensure the bucket has sufficient drainage holes.

Do Shallots in Pots Need Mulch?

Mulching can help maintain moisture and suppress weeds.

However, shallots need care because the developing bulbs sit close to the surface.

Can You Use Compost as Mulch?

A modest amount of mature compost may be suitable, but don’t bury the shallot tips.

What About Strulch?

A suitable straw-based mulch may help reduce evaporation.

Follow the product guidance and keep it away from emerging shoots.

Should You Use Wood Chips?

I wouldn’t put a thick layer of coarse wood chips directly over young shallot sets.

Wood chips are more useful for surrounding paths and larger planted areas.

Is Mulching Essential?

No.

Healthy shallots can grow successfully without mulch if watering and weeds are managed appropriately.

Common Problems When Growing Shallots in Pots

Container-grown shallots can experience several issues.

1. Shallots Not Sprouting

Possible causes include cold conditions, poor sets, waterlogging or incorrect planting.

2. Yellow Leaves

Yellowing may result from drought, excess water, nutritional problems or natural maturity.

3. Small Shallot Bulbs

Overcrowding, insufficient sunlight, poor nutrition and inadequate watering can all affect bulb size.

4. Rotten Sets

Poor drainage or persistently wet compost can cause deterioration.

5. Shallots Bolting

Cold stress and variety characteristics can encourage premature flowering.

6. Dry Compost

Pots can dry out quickly during warm weather.

7. Allium Leaf Miner

This pest can attack shallots, onions, garlic and leeks.

8. Onion White Rot

This serious disease can affect shallots and other alliums.

Always avoid using contaminated soil or saving bulbs from affected plants.

9. Bird Damage

Birds may disturb newly planted sets.

10. Poor Storage After Harvesting

Shallots that haven’t been cured properly may deteriorate quickly.

Why Are My Shallots Turning Yellow in Pots?

Yellow leaves are one of the common concerns when growing shallots.

But yellow foliage doesn’t always mean something is wrong.

Yellow Leaves During Summer

As the bulbs mature, the foliage naturally begins yellowing and falling over.

Yellow Leaves During Spring

Early yellowing may indicate stress.

Could the Compost Be Too Wet?

Yes.

Check drainage and moisture levels.

Could It Be Too Dry?

Yes.

Prolonged drought can weaken plants.

Does Yellowing Always Mean They Need Feed?

No.

Overfeeding a plant with damaged roots won’t solve the underlying problem.

Check the compost and plant health first.

Why Are My Shallot Bulbs Small?

Small bulbs can be caused by several factors.

The Pot Is Too Small

Limited growing space can restrict development.

Too Many Sets Were Planted

Overcrowding can reduce individual bulb size.

Lack of Sunlight

Shallots need plenty of light.

Drought

Dry compost during active growth can affect yield.

Insufficient Nutrition

Nutrients may become depleted in containers.

Poor Planting Stock

Damaged or unhealthy sets may not grow strongly.

Are Small Shallots Still Edible?

Yes, if they’re healthy.

However, allowing more space and maintaining suitable conditions may improve future crops.

When Are Potted Shallots Ready to Harvest?

Most shallots are harvested during summer.

July and August are common harvest months for UK gardeners.

However, variety and planting date influence maturity.

What Are the Signs?

Look for:

• Lower leaves beginning to yellow.
• Foliage falling over naturally.
• Reduced new growth.
• Well-developed bulbs beneath the compost.
• Outer skins starting to dry.

Do All Shallots Mature Together?

Not necessarily.

Different varieties and planting dates can produce different harvest times.

Should You Wait Until Every Leaf Is Brown?

No.

Check maturity as the foliage naturally declines.

How to Harvest Shallots from Pots

Harvesting container-grown shallots can be particularly straightforward.

Step 1: Check Maturity

Look for yellowing and falling foliage.

Step 2: Stop Unnecessary Watering

Avoid keeping mature bulbs excessively wet.

Step 3: Loosen the Compost

Use a hand fork or trowel.

Step 4: Lift the Bulbs Carefully

Avoid pulling hard on the leaves.

Step 5: Separate Traditional Clusters

Traditional multiplying varieties may produce several new bulbs.

Step 6: Remove Loose Compost

Brush away loose material gently.

Step 7: Inspect the Bulbs

Check for damage, rot or other problems.

Step 8: Begin Drying

Move sound bulbs somewhere dry and well ventilated.

Step 9: Label Your Varieties

If you’ve grown different shallots, keep them separate for comparison.

Step 10: Enjoy Your Harvest

Use some fresh shallots in cooking and cure the remainder for storage.

How to Dry and Store Potted Shallots

If you want to keep your shallots for months, proper curing is important.

Where Should You Dry Them?

A dry, airy shed or sheltered drying area can work well.

Can You Use a Greenhouse?

Yes, provided it stays ventilated and doesn’t become excessively hot.

How Should You Arrange the Bulbs?

Spread them in a single layer on a suitable tray or drying rack.

How Long Will They Take?

Often around two weeks in favourable conditions, although damp weather may require longer.

How Do You Know They’re Ready?

The skins and necks should become dry and papery.

What Is the Best Storage Container?

Mesh bags, breathable baskets or shallow ventilated trays are useful.

How Long Will They Store?

Many healthy, properly cured varieties can store for six to eight months, sometimes longer.

However, keeping quality depends on the variety and storage conditions.

Can You Save Shallots from Pots for Planting Next Year?

Yes.

Healthy, mature bulbs from suitable traditional multiplying varieties can sometimes be saved for replanting.

Which Bulbs Should You Save?

Choose sound, well-developed bulbs without signs of disease.

Should You Save Every Bulb?

No.

Keep the best healthy planting material.

How Should You Store Them?

Cure thoroughly and keep somewhere cool, dry and ventilated until the appropriate planting period.

What About Seed-Grown Shallots?

For predictable results, follow the propagation guidance for the variety.

Can You Reuse the Same Compost?

It’s better to refresh or replace depleted potting compost before starting another crop.

If the previous crop showed signs of serious disease, don’t transfer suspect compost into other growing areas.

Can You Grow Another Vegetable After Harvesting Shallots?

Yes.

One of the advantages of container gardening is that you can reuse the pot for another seasonal crop.

What Can You Grow?

Depending on the time of year, you could consider:

• Lettuce.
• Rocket.
• Radishes.
• Pak choi.
• Suitable autumn salad leaves.
• Small leafy vegetables.

Should You Immediately Plant More Shallots?

Consider crop rotation and plant health.

Shallots belong to the allium family and share several pests and diseases with onions and garlic.

Do You Need New Compost?

Refreshing the growing medium can improve nutrition and reduce problems caused by exhausted compost.

Avoid reusing compost from diseased crops.

Ten Common Mistakes When Growing Shallots in Pots

1. Using a Pot That’s Too Small

Shallots need enough room for roots and bulb development.

2. Planting Too Many Sets

Overcrowding can produce smaller bulbs.

3. Using a Pot Without Drainage Holes

Waterlogged compost can cause rot.

4. Choosing Poor-Quality Compost

Use a suitable peat-free potting medium.

5. Planting Too Deeply

Leave the pointed tips just showing.

6. Growing in Too Much Shade

Full sun gives the best chance of strong growth.

7. Forgetting to Water During Warm Weather

Containers can dry out surprisingly quickly.

8. Watering Constantly During Winter

Cold, wet compost can damage bulbs.

9. Applying Too Much Fertiliser

Excessive feeding doesn’t guarantee bigger shallots.

10. Harvesting and Storing Before Bulbs Are Ready

Check maturity and cure the shallots thoroughly.

Month-by-Month UK Shallot Container Growing Calendar

Month	Container-growing jobs
January	Check overwintering pots for blocked drainage and prolonged wetness.
February	Start suitable shallot seeds indoors and prepare spring containers.
March	Plant spring shallot sets and position pots somewhere sunny.
April	Continue suitable planting and monitor young seedlings.
May	Check compost moisture, remove weeds and monitor growth.
June	Water during dry weather and check bulb development.
July	Begin harvesting mature crops and prepare drying trays.
August	Harvest later shallots, finish curing and store healthy bulbs.
September	Select autumn sets and prepare clean containers.
October	Plant varieties suitable for overwintering.
November	Raise pots off wet surfaces and check drainage.
December	Monitor moisture and protect pots during severe conditions.

Actual planting and harvesting dates vary according to variety and weather.

Frequently Asked Questions About Growing Shallots in Pots

Can shallots be grown in pots?

Yes. Shallots grow successfully in suitably sized containers with good drainage, quality compost and plenty of sunlight.

What size pot do you need for shallots?

The RHS recommends a pot at least 30 cm wide and deep.

Can you grow shallots in a 30 cm pot?

Yes. A single traditional multiplying set is a sensible starting point.

How many shallots can you grow in a 40 cm pot?

Usually around two well-spaced traditional sets, depending on the pot’s internal measurements.

How many shallots can grow in a 50 cm pot?

Approximately three or four traditional sets may fit with a suitable layout.

How many shallots can grow in a 60 cm pot?

A large container may accommodate around five to seven sets, depending on the spacing and shape.

What compost is best for shallots in pots?

Peat-free soil-based potting compost is recommended by the RHS.

Can you use multi-purpose compost for shallots?

It may support growth, but suitable soil-based compost is particularly recommended for container-grown shallots.

Do shallot pots need drainage holes?

Yes. Reliable drainage is essential.

Can you grow shallots in potato buckets?

Yes, if the buckets are wide and deep enough and have proper drainage holes.

Can you grow shallots in grow bags?

Deep, appropriately sized containers are preferable to ordinary shallow grow bags.

Do shallots need full sun?

Yes. Choose a sunny outdoor position.

Can shallots grow on a balcony?

Yes, provided they have sufficient sunlight and the container is safely supported.

When should you plant shallots in pots?

Many spring sets are planted during March or April. Suitable overwintering varieties can also be planted in autumn.

Can you grow shallots in pots in October?

Yes, provided you choose varieties specifically recommended for autumn planting.

Can you grow shallots in pots during winter?

Yes. Suitable overwintering shallots can remain outdoors, although drainage and exposure require attention.

Should you bring shallot pots indoors in winter?

A warm indoor room generally isn’t suitable. Use sheltered outdoor conditions when necessary.

How deep do you plant shallots in pots?

Plant shallowly, leaving the pointed tip just visible.

How far apart do you plant shallot sets in a container?

Allow approximately 15–20 cm between traditional multiplying sets.

Can you grow shallots from seed in pots?

Yes. Varieties such as ‘Zebrune’ can be grown from seed.

How often should you water shallots in pots?

Water according to compost moisture and weather. Containers may need frequent watering during warm, dry conditions.

Do you need to water shallots every day?

Not necessarily. Check the compost before watering.

What is the best feed for shallots in pots?

Use a suitable balanced fertiliser or allium feed when additional nutrients are required, following the product instructions.

Can you use chicken manure pellets in shallot pots?

Yes, at suitable rates, but avoid applying too much to a small volume of compost.

Why are my shallots turning yellow in pots?

Yellowing can indicate natural maturity, drought, excess moisture, nutrient problems or disease.

Why are my shallots so small?

Possible causes include overcrowding, limited container space, shade, drought or nutrient shortages.

Can you grow banana shallots in pots?

Yes. Suitable elongated varieties can grow successfully in large containers.

How long do shallots take to grow in pots?

The growing period depends on variety and planting time. Many spring-planted crops are harvested during summer.

When do you harvest container-grown shallots?

Usually during summer when the foliage begins yellowing and falling over.

Can you save shallots grown in pots for next year?

Yes, provided they’re healthy, mature and suitable for replanting.

Can you reuse the compost after harvesting shallots?

You may reuse suitable, disease-free growing medium after refreshing it for another crop, but avoid spreading compost from plants with suspected disease.

Final Thoughts: Growing Shallots in Pots Is Well Worth Trying

Growing shallots in pots and containers is a fantastic way to enjoy home-grown food, even if you haven’t got access to an allotment.

And if you’ve only got a small garden, patio or sunny balcony, you can still produce your very own shallots with a little planning.

The most important thing is choosing a suitable container.

Start with a pot at least 30 cm wide and deep, and use something larger if you want to grow several traditional multiplying shallots.

Make sure it has reliable drainage holes and fill it with quality peat-free soil-based compost.

Then choose healthy sets or suitable shallot seeds.

Plant the sets during the recommended season, leaving their pointed tips just showing above the compost.

Allow plenty of space between plants, because traditional shallots need room to form clusters.

Once they’re growing, keep an eye on the watering.

Pots can dry out quickly during spring and summer, but they can also become excessively wet during prolonged winter rainfall.

That’s why it’s important to check the compost rather than automatically watering every day.

And don’t forget to give your shallots plenty of sunshine.

When summer arrives and the foliage naturally begins yellowing and falling over, you’ll be able to lift your own home-grown bulbs.

Dry them thoroughly before storage, then enjoy using them in sauces, stews, roasting and other home-cooked meals.

If you’ve never tried growing shallots in containers before, I’d definitely recommend starting with one or two large pots.

It’s a simple and rewarding project that shows you don’t need a huge garden to grow your own vegetables.

And there’s something incredibly satisfying about planting a small shallot set and eventually lifting a lovely cluster of fresh bulbs.

Keep smiling, keep shining, keep gardening with Ben!