πŸŒ±πŸ“… When to Plant Each Vegetable in the UK – A Complete Month-by-Month Guide make it square
Last Updated on: January 16, 2026

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🌱📅 When to Plant Each Vegetable in the UK – A Complete Month-by-Month Guide


🌿 Introduction: Why Planting at the Right Time Matters

Planting vegetables at the correct time is one of the biggest factors in gardening success. Sow too early and seeds rot or stall. Sow too late and crops may never mature.

This UK-specific, month-by-month planting guide helps you:
✔ maximise yields
✔ avoid frost damage
✔ grow stronger, healthier plants
✔ plan your garden with confidence

Dates may vary slightly depending on weather and location, but this guide works well for most UK gardens and allotments.

Below


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❄️🌱 January – Early Indoor Sowing

January is mainly for planning, but a few crops can be started indoors.

Sow indoors:

✔ onions (from seed)
✔ leeks
✔ celery
✔ chilli peppers

Keep seedlings warm and well-lit.


🌱🌤️ February – Slow Starters Begin

More seeds can be started under cover.

Sow indoors:

✔ tomatoes (late February)
✔ aubergines
✔ peppers
✔ early lettuce

Outdoors (mild areas):

✔ broad beans (if ground isn’t frozen)


🌱🌼 March – The Growing Season Begins

March marks the start of serious sowing.

Sow indoors:

✔ tomatoes
✔ cucumbers
✔ courgettes
✔ squash

Sow outdoors:

✔ carrots
✔ parsnips
✔ beetroot
✔ spinach
✔ peas
✔ spring onions

Use fleece if frosts threaten.


🌱🌸 April – Rapid Expansion

Soil warms and growth speeds up.

Sow indoors:

✔ sweetcorn
✔ pumpkins
✔ marrows

Sow outdoors:

✔ potatoes (early varieties)
✔ lettuce
✔ radish
✔ chard
✔ onions (sets)

Harden off indoor plants gradually.


🌱🌞 May – Main Planting Month

May is one of the busiest months.

Sow outdoors:

✔ beans (runner, French, climbing)
✔ courgettes
✔ squash
✔ sweetcorn
✔ beetroot
✔ carrots (successional sowing)

Transplant:

✔ tomatoes
✔ peppers
✔ cucumbers (after frost risk)

Protect from late frosts early in the month.


🌱☀️ June – Succession Sowing

Focus on keeping harvests coming.

Sow outdoors:

✔ salad leaves
✔ radish
✔ beetroot
✔ carrots
✔ dwarf beans

Plant out:

✔ leeks
✔ brassicas (cabbage, sprouts, kale)

Water well in dry spells.


🌱🍓 July – Late Summer Crops

July is ideal for fast-growing vegetables.

Sow outdoors:

✔ lettuce
✔ spring onions
✔ carrots (early varieties)
✔ beetroot

Sow indoors:

✔ winter brassicas

Keep soil moist for good germination.


🌱🍂 August – Autumn & Winter Prep

Think ahead to cooler months.

Sow outdoors:

✔ spinach
✔ chard
✔ turnips

Sow indoors:

✔ winter lettuce
✔ spring cabbage

Harvest regularly to encourage new growth.


🌱🍁 September – Overwintering Crops

Growth slows, but sowing continues.

Sow outdoors:

✔ broad beans (mild areas)
✔ spinach
✔ garlic (late month)

Plant:

✔ spring cabbage

Protect young plants from pests.


🍂🌱 October – Last Outdoor Planting

Focus on hardy crops.

Plant outdoors:

✔ garlic
✔ onion sets (overwintering varieties)

Sow:

✔ broad beans

Cover beds with mulch for winter protection.


❄️🌱 November – Minimal Sowing

Very little sowing, but some planting continues.

Plant:

✔ garlic
✔ onion sets (if soil allows)

Prepare beds for spring.


❄️📋 December – Planning Month

December is for preparation, not planting.

Do this instead:

✔ plan crop rotation
✔ order seeds
✔ clean tools
✔ prepare compost

A well-planned winter leads to a productive year.


🗓️🌱 Quick Vegetable Planting Summary (UK)

VegetableSow/Plant Time
CarrotsMar–Jul
PotatoesMar–Apr
Onions (sets)Mar–Apr / Oct
TomatoesFeb–Apr (indoors)
CourgettesApr–May
PeasMar–Jun
BeansMay–Jul
GarlicOct–Nov
LeeksJan–Mar
LettuceMar–Sep

🌟 FAQs

Can I plant vegetables earlier in the UK?

Yes, with protection like fleece or a greenhouse.

Does this apply to all UK regions?

Mostly — northern areas may need slightly later sowing.

Can I grow vegetables all year round?

Yes, with winter-hardy crops and planning.

Is it better to sow indoors or outdoors?

Indoors gives earlier starts; outdoors suits hardy crops.

What’s the most important planting rule?

Don’t rush — soil temperature matters more than the calendar.


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