Seasonal Vegetables UK: What to Grow Every Month of the Year

Growing seasonal vegetables in the UK is one of the best ways to make your garden or allotment productive throughout the year.

Whether you’re new to vegetable gardening or have been growing your own food for years, understanding which vegetables to sow, plant and harvest each month can make an enormous difference to your success.

One of the biggest mistakes gardeners make is assuming that vegetable growing only happens during spring and summer.

In reality, there are opportunities to grow and harvest vegetables throughout all four seasons.

During spring, you can sow peas, carrots, beetroot, lettuce and many other crops.

Summer brings tomatoes, cucumbers, courgettes, runner beans and an abundance of fresh vegetables.

Autumn is an excellent time to plant garlic, autumn onion sets and broad beans, while harvesting pumpkins, potatoes and winter squash.

Even during winter, you can continue harvesting leeks, kale, Brussels sprouts, parsnips and other hardy crops.

Here at Gardening with Ben, I love making the most of the allotment throughout the year. There’s always something to plan, sow, plant, harvest or prepare for the next growing season.

The secret is understanding the British growing calendar and choosing vegetables suited to the weather conditions.

In this complete guide, we’ll explore what seasonal vegetables you can grow in the UK every month, including sowing indoors, planting outdoors, greenhouse growing and harvesting.

We’ll also look at how to plan a productive allotment, extend the growing season and keep fresh vegetables available for as much of the year as possible.

What Are Seasonal Vegetables?

Seasonal vegetables are crops that naturally grow or become ready for harvesting during particular times of the year.

In the UK, growing seasons are influenced by:

• Temperature
• Daylight hours
• Frost
• Rainfall
• Soil conditions
• Regional climate
• Growing methods

Some vegetables prefer cool weather, while others need warm summer conditions.

For example, peas and broad beans can grow well during cooler periods, while tomatoes and courgettes require warmer temperatures.

Understanding these differences helps gardeners choose suitable crops for each season.

UK Vegetable Growing Seasons Explained

Season	Months	Main gardening activities
Winter	December–February	Planning, protected sowing, harvesting hardy crops
Spring	March–May	Main sowing season, preparing beds, planting potatoes
Summer	June–August	Planting tender crops, watering, feeding, harvesting
Autumn	September–November	Harvesting, planting garlic and broad beans, winter preparation

These seasons are a useful guide, but local conditions matter.

A sheltered garden in southern England may warm earlier than an exposed allotment in northern England or Scotland.

UK Seasonal Vegetable Growing Calendar

This table provides a quick overview of vegetables that can be sown, planted or harvested during each month.

Month	Vegetables to sow or plant	Vegetables commonly harvested
January	Broad beans under protection, onions from seed, early lettuce indoors	Leeks, kale, Brussels sprouts, parsnips
February	Tomatoes indoors, peppers with heat, broad beans, peas under protection	Leeks, kale, winter cabbage
March	Carrots, peas, broad beans, beetroot, potatoes	Purple sprouting broccoli, leeks, kale
April	Lettuce, carrots, beetroot, radishes, potatoes, peas	Spring cabbage, overwintered spinach
May	Runner beans, French beans, courgettes, sweetcorn, squash	Radishes, lettuce, early spinach
June	French beans, beetroot, carrots, lettuce, winter brassicas	Peas, broad beans, strawberries, early potatoes
July	Turnips, beetroot, lettuce, spring cabbage, autumn carrots	Tomatoes, courgettes, peas, potatoes
August	Spinach, winter lettuce, spring cabbage, oriental greens	Tomatoes, cucumbers, beans, courgettes
September	Winter lettuce, spinach, hardy salad leaves, autumn onions	Apples, potatoes, squash, beans
October	Garlic, broad beans, autumn onion sets	Pumpkins, carrots, beetroot, squash
November	Garlic, broad beans, suitable overwintering onions	Leeks, kale, Brussels sprouts, parsnips
December	Broad beans under protection, microgreens indoors	Leeks, parsnips, kale, Brussels sprouts

The exact timing depends on variety, weather, location and growing facilities. Some crops listed for sowing require indoor warmth or protection.

What Vegetables to Grow in Winter in the UK

Winter gardening can be surprisingly productive.

Although growth slows because of colder temperatures and shorter daylight hours, there are still opportunities to harvest hardy vegetables and prepare crops for the coming spring.

Vegetables to Grow in January

January is generally one of the quietest months for outdoor sowing.

However, there are still several useful gardening jobs.

What to Sow in January

• Onions from seed indoors
• Broad beans under suitable protection
• Early lettuce indoors
• Microgreens indoors
• Chillies and peppers with heat and adequate lighting

What to Harvest in January

• Leeks
• Kale
• Brussels sprouts
• Parsnips
• Winter cabbage
• Jerusalem artichokes

January Gardening Tips

Avoid working saturated soil.

Check stored vegetables regularly.

Plan crop rotations.

Order seeds and seed potatoes.

Clean seed trays and growing equipment.

Vegetables to Grow in February

February marks the beginning of preparations for spring.

Daylight hours gradually increase, but frost and cold soil remain important considerations.

What to Sow in February

• Tomatoes indoors with sufficient warmth and light
• Peppers and chillies in heated propagators
• Broad beans under protection
• Peas in modules
• Early lettuce
• Onions from seed
• Aubergines with heat and suitable lighting

What to Harvest in February

• Leeks
• Kale
• Winter cabbage
• Brussels sprouts
• Parsnips
• Purple sprouting broccoli, where ready

February Gardening Tips

Start chitting seed potatoes if desired.

Prepare beds when the soil is workable.

Avoid planting tender vegetables outdoors.

Check greenhouse temperatures.

What Vegetables to Grow in Spring in the UK

Spring is one of the busiest periods in the vegetable-growing calendar.

As temperatures rise and daylight increases, more vegetables can be sown directly outdoors.

However, late frosts can still occur.

Vegetables to Grow in March

March is an exciting month because the outdoor growing season begins to gather pace.

What to Sow in March

• Broad beans
• Peas
• Carrots, where soil conditions allow
• Beetroot under suitable conditions
• Radishes
• Lettuce
• Spinach
• Spring onions
• Parsnips
• Tomatoes indoors

What to Plant in March

• First early seed potatoes
• Onion sets
• Shallot sets
• Asparagus crowns
• Jerusalem artichokes

What to Harvest in March

• Leeks
• Purple sprouting broccoli
• Kale
• Spring cabbage, where ready
• Overwintered spinach

March Gardening Tips

Check soil temperature before direct sowing.

Use fleece or cloches where appropriate.

Protect seedlings from slugs.

Avoid planting into waterlogged ground.

Vegetables to Grow in April

April is an excellent month for sowing a wide range of vegetables.

The soil is usually warming, although frosts remain possible.

What to Sow in April

• Carrots
• Beetroot
• Peas
• Radishes
• Lettuce
• Spring onions
• Spinach
• Swiss chard
• Turnips
• Parsnips

What to Sow Indoors

• Courgettes
• Pumpkins
• Squash
• Cucumbers
• Sweetcorn
• Runner beans, towards the end of the month

What to Plant in April

• Maincrop potatoes
• Second early potatoes
• Onion sets
• Asparagus crowns
• Established lettuce plants

What to Harvest in April

• Spring cabbage
• Purple sprouting broccoli
• Overwintered spinach
• Radishes from early protected sowings

April Gardening Tips

Watch the weather forecast for late frost.

Harden off plants gradually.

Keep young seedlings watered during dry spells.

Vegetables to Grow in May

May is a major planting month for UK vegetable gardeners.

However, tender crops must still be protected from frost.

What to Sow in May

• Runner beans
• French beans
• Courgettes
• Pumpkins
• Squash
• Sweetcorn
• Carrots
• Beetroot
• Lettuce
• Radishes
• Spring onions

What to Plant in May

• Tomatoes in greenhouses
• Cucumbers under protection
• Courgettes after frost risk has passed
• Sweetcorn after frost risk has passed
• Runner beans after frost risk has passed

What to Harvest in May

• Radishes
• Lettuce
• Spinach
• Spring cabbage
• Early peas from protected sowings

May Gardening Tips

Harden off tender plants.

Prepare supports for climbing beans.

Watch for slugs and snails.

Avoid planting tender vegetables outdoors too early.

What Vegetables to Grow in Summer in the UK

Summer is the main harvesting season for many vegetables.

However, it’s also important to continue sowing crops for autumn and winter.

Vegetables to Grow in June

June is a busy month on the allotment.

Many tender crops can now be planted outdoors in suitable conditions.

What to Sow in June

• French beans
• Carrots
• Beetroot
• Lettuce
• Radishes
• Spring onions
• Turnips
• Swiss chard
• Winter cabbage
• Kale

What to Plant in June

• Runner beans
• Courgettes
• Pumpkins
• Squash
• Sweetcorn
• Outdoor tomatoes
• Winter brassicas

What to Harvest in June

• Peas
• Broad beans
• Early potatoes
• Lettuce
• Radishes
• Spinach
• Spring onions

June Gardening Tips

Water newly planted vegetables.

Mulch where appropriate.

Support climbing plants.

Begin feeding fruiting vegetables when necessary.

Vegetables to Grow in July

July is one of the most productive months of the year.

Many crops are ready to harvest, but gardeners should also be thinking about autumn vegetables.

What to Sow in July

• Beetroot
• Carrots for autumn harvesting
• Lettuce
• Radishes
• Turnips
• Spring cabbage
• Swiss chard
• Florence fennel
• Oriental greens later in the month

What to Plant in July

• Winter cabbage
• Kale
• Purple sprouting broccoli
• Leeks from earlier sowings
• Cauliflower plants suited to the season

What to Harvest in July

• Tomatoes
• Cucumbers
• Courgettes
• Peas
• French beans
• Runner beans
• Potatoes
• Beetroot
• Carrots

July Gardening Tips

Water deeply during dry weather.

Harvest courgettes regularly.

Check tomatoes for blight.

Continue sowing salads.

Vegetables to Grow in August

August is an excellent month for harvesting summer crops and establishing vegetables for autumn and winter.

What to Sow in August

• Spinach
• Winter lettuce
• Rocket
• Oriental salad leaves
• Spring cabbage
• Radishes
• Turnips
• Spring onions for overwintering, where suitable

What to Plant in August

• Spring cabbage plants
• Winter lettuce plants
• Suitable autumn salad crops

What to Harvest in August

• Tomatoes
• Cucumbers
• Courgettes
• Runner beans
• French beans
• Sweetcorn
• Beetroot
• Carrots
• Potatoes
• Onions

August Gardening Tips

Continue watering fruiting vegetables.

Remove diseased foliage.

Sow winter salads.

Plan autumn garlic and onion planting.

What Vegetables to Grow in Autumn in the UK

Autumn is one of the most underrated seasons for vegetable gardening.

Although summer crops begin finishing, there are still opportunities to plant vegetables that will establish before winter.

Vegetables to Grow in September

September is a transition month between summer and autumn.

What to Sow in September

• Winter lettuce
• Spinach
• Rocket
• Lamb’s lettuce
• Claytonia
• Hardy oriental greens
• Radishes under suitable conditions

What to Plant in September

• Spring cabbage
• Winter lettuce
• Autumn onion sets where suitable
• Hardy salad plants

What to Harvest in September

• Tomatoes
• Cucumbers
• Runner beans
• French beans
• Potatoes
• Onions
• Beetroot
• Carrots
• Winter squash
• Sweetcorn

September Gardening Tips

Harvest tender crops before frost.

Begin clearing finished vegetable plants.

Prepare ground for garlic.

Protect late crops from cold weather.

Vegetables to Grow in October

October is an excellent month for planting certain overwintering crops.

What to Sow in October

• Broad beans
• Winter lettuce under protection
• Hardy salad leaves
• Spinach under suitable conditions
• Microgreens indoors

What to Plant in October

• Garlic
• Autumn onion sets
• Shallot sets suitable for autumn planting
• Broad bean plants
• Spring cabbage plants, where appropriate

What to Harvest in October

• Pumpkins
• Winter squash
• Carrots
• Beetroot
• Potatoes
• Leeks
• Kale
• Late runner beans before frost

October Gardening Tips

Remove finished summer crops.

Prepare beds for overwintering vegetables.

Plant garlic in well-drained soil.

Protect young plants from slugs.

Vegetables to Grow in November

November is often cold and wet, but the allotment can still be productive.

What to Sow in November

• Broad beans in suitable conditions
• Winter lettuce under protection
• Microgreens indoors
• Hardy salad leaves in a protected growing environment

What to Plant in November

• Garlic
• Suitable overwintering onion sets
• Broad bean plants

What to Harvest in November

• Leeks
• Kale
• Brussels sprouts
• Parsnips
• Winter cabbage
• Jerusalem artichokes
• Remaining winter squash from storage

November Gardening Tips

Avoid walking on wet vegetable beds.

Check drainage.

Protect young plants from severe weather.

Remove diseased plant material.

What Vegetables to Grow in December in the UK

December is one of the quietest months for outdoor growing, but harvesting and indoor growing can continue.

What to Sow in December

• Microgreens indoors
• Broad beans under suitable protection
• Hardy salad leaves in protected growing conditions

What to Harvest in December

• Leeks
• Parsnips
• Kale
• Brussels sprouts
• Winter cabbage
• Jerusalem artichokes

December Gardening Tips

Plan next year’s vegetable beds.

Check stored potatoes and onions.

Clean gardening tools.

Avoid disturbing frozen or waterlogged soil.

Best Vegetables to Grow in Spring

Spring is ideal for cool-season vegetables.

Some of the best choices include:

• Peas
• Broad beans
• Carrots
• Beetroot
• Radishes
• Lettuce
• Spinach
• Spring onions
• Potatoes
• Swiss chard

These crops can establish as temperatures begin rising.

Best Vegetables to Grow in Summer

Summer provides the warmth needed by many fruiting vegetables.

Popular choices include:

• Tomatoes
• Cucumbers
• Courgettes
• Runner beans
• French beans
• Sweetcorn
• Pumpkins
• Squash
• Peppers
• Aubergines

Some crops, particularly peppers and aubergines, benefit from greenhouse or polytunnel growing.

Best Vegetables to Grow in Autumn

Autumn is an excellent time for hardy vegetables and overwintering crops.

Useful choices include:

• Garlic
• Broad beans
• Autumn onion sets
• Shallots
• Spring cabbage
• Spinach
• Winter lettuce
• Kale
• Oriental greens

The exact planting dates depend on variety and local conditions.

Best Vegetables to Grow in Winter

Winter growing is often more about harvesting established crops than starting new outdoor sowings.

Useful winter vegetables include:

• Leeks
• Kale
• Brussels sprouts
• Parsnips
• Winter cabbage
• Jerusalem artichokes
• Purple sprouting broccoli later in winter

Microgreens and protected salads can provide additional fresh harvests.

How to Grow Vegetables All Year Round in the UK

Growing vegetables throughout the year requires planning.

Choose Crops for Every Season

Don’t concentrate entirely on summer vegetables.

Use Succession Sowing

Sow small quantities of suitable crops at regular intervals.

Grow Winter-Hardy Vegetables

Leeks, kale and Brussels sprouts can provide winter harvests.

Use a Greenhouse or Polytunnel

Protected growing can extend the season.

Plan Autumn Planting

Garlic, broad beans and suitable onion sets can establish before winter.

Store Harvested Vegetables

Potatoes, onions and winter squash can provide food beyond their harvesting period when stored correctly.

How to Use a Polytunnel for Year-Round Vegetable Growing

A polytunnel can be extremely useful for extending the growing season.

Spring

Start early salads and protect young plants.

Summer

Grow tomatoes, cucumbers, peppers and other warm-season crops.

Autumn

Plant winter lettuce, spinach and suitable salad greens.

Winter

Harvest established hardy crops.

However, unheated polytunnels can still freeze during severe weather.

Choose varieties suited to the conditions.

Best Vegetables for Beginners Throughout the Year

Beginners can enjoy growing vegetables during every season.

Spring

Radishes, peas, lettuce and potatoes.

Summer

Courgettes, runner beans and bush French beans.

Autumn

Garlic, broad beans and winter lettuce.

Winter

Microgreens indoors and established hardy brassicas.

Start with a manageable selection and expand as you gain experience.

How to Plan a Seasonal Vegetable Garden

A productive vegetable garden benefits from careful planning.

Step 1: Measure Your Growing Space

Work out how much room you have available.

Step 2: Choose Your Favourite Vegetables

Concentrate on crops you enjoy eating.

Step 3: Check Sowing Dates

Use seed packet instructions alongside a UK growing calendar.

Step 4: Plan Succession Crops

Consider what can be planted after an earlier crop finishes.

Step 5: Rotate Crops Where Practical

Rotation can help manage certain pests and diseases.

Step 6: Include Winter Vegetables

Reserve space for crops that remain productive during colder months.

Step 7: Keep Records

Record sowing dates, planting dates and harvests.

Common Mistakes When Growing Seasonal Vegetables

Sowing Too Early

Cold soil can delay germination or cause seeds to rot.

Planting Tender Crops Before Frost Risk Has Passed

Tomatoes, courgettes and beans can be damaged by frost.

Forgetting Autumn Crops

Many gardeners stop sowing after summer.

Overcrowding Beds

Plants need enough room for healthy development.

Ignoring Regional Weather

Growing dates vary across the UK.

Not Planning Succession Sowing

A single large sowing can produce more vegetables than you can use at once.

Leaving Beds Empty

Suitable follow-on crops can help make better use of available growing space.

Frequently Asked Questions About Seasonal Vegetables in the UK

What Vegetables Can You Grow All Year Round in the UK?

No single vegetable grows vigorously outdoors throughout every month, but you can plan a combination of crops to provide harvests across the year.

What Vegetables Should You Plant in January?

Indoor onions, microgreens and protected broad beans are possible options.

What Vegetables Should You Plant in February?

Broad beans, peas under protection and early indoor tomatoes are common choices.

What Vegetables Should You Plant in March?

Peas, broad beans, potatoes, carrots and radishes are popular.

What Vegetables Should You Plant in April?

Carrots, beetroot, lettuce, potatoes and peas are excellent choices.

What Vegetables Should You Plant in May?

Runner beans, French beans, courgettes, pumpkins and sweetcorn can be started or planted according to frost conditions.

What Vegetables Should You Plant in June?

French beans, beetroot, carrots and winter brassicas are useful choices.

What Vegetables Should You Plant in July?

Turnips, beetroot, autumn carrots and spring cabbage can be sown.

What Vegetables Should You Plant in August?

Spinach, winter lettuce, rocket and spring cabbage are useful options.

What Vegetables Should You Plant in September?

Winter lettuce, spinach and hardy salad leaves can be sown.

What Vegetables Should You Plant in October?

Garlic, autumn onions, shallots and broad beans are popular choices.

What Vegetables Should You Plant in November?

Garlic and broad beans can be planted when conditions allow.

What Vegetables Can You Grow in December?

Microgreens indoors and hardy salads under protection are useful choices.

What Are the Easiest Vegetables to Grow in Spring?

Radishes, peas, lettuce and potatoes are good starting points.

What Are the Best Vegetables for Summer?

Tomatoes, cucumbers, courgettes, runner beans and sweetcorn are popular summer crops.

What Vegetables Can Survive Winter in the UK?

Leeks, kale, Brussels sprouts and parsnips are among the hardier crops.

Can You Grow Vegetables in an Unheated Greenhouse in Winter?

Yes, some hardy crops can survive, but growth is slow and temperatures can fall below freezing.

When Should You Start a Vegetable Garden in the UK?

Spring is a convenient time to begin, although planning and some protected sowing can start earlier.

Is October Too Late to Plant Vegetables?

No. Garlic, suitable onion sets and broad beans can be planted during October.

Can You Harvest Vegetables in January?

Yes. Established leeks, kale, Brussels sprouts and parsnips can provide winter harvests.

How Do You Keep an Allotment Productive All Year?

Plan seasonal crops, use succession sowing, grow winter vegetables and make use of protected growing space.

Final Thoughts: Growing Seasonal Vegetables Throughout the Year

Growing seasonal vegetables in the UK is all about understanding the changing seasons and planning ahead.

Spring is the main sowing season for many traditional vegetables.

Summer brings warmth, rapid growth and an abundance of fresh harvests.

Autumn provides opportunities to plant garlic, onions and broad beans while harvesting pumpkins, potatoes and other crops.

Winter may be quieter, but hardy vegetables and protected growing can keep your garden productive.

The key is not trying to grow everything at once.

Instead, choose vegetables suited to each month, follow local weather conditions and plan how your growing space will be used throughout the year.

With a little preparation, even a small vegetable garden can provide fresh produce across much of the calendar.

And remember, gardening doesn’t stop when summer finishes.

There’s always another growing season just around the corner.

Keep smiling, keep shining, keep gardening with Ben!