🌱🌾 What to Plant on an Allotment Each Month (UK)

🥕 Introduction: Planning Your Allotment All Year Round

Running an allotment successfully in the UK is all about timing, planning, and making the most of the seasons. While spring and summer are busy, winter and autumn are just as important for groundwork, overwintering crops, and early starts.

This month-by-month guide explains what to plant on an allotment each month in the UK, helping you spread workloads, avoid gaps, and keep your plot productive all year.

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🌱 January – Planning and Hardy Crops

Planting is very limited this month.

✔ garlic (if soil is workable)
✔ broad beans (mild areas only)

Focus on planning beds and crop rotation.

🌱 February – Early Hardy Starts

Some allotment sowing begins.

✔ broad beans
✔ peas (early varieties)
✔ spinach (mild areas)

Use fleece to protect young plants.

🌱 March – Allotment Season Begins

March is a major planting month.

✔ carrots
✔ parsnips
✔ peas
✔ spinach
✔ lettuce
✔ onions (sets or seed)

Soil preparation is crucial now.

🌱 April – Rapid Expansion

More crops can be planted.

✔ beetroot
✔ carrots
✔ lettuce
✔ spinach
✔ peas
✔ spring onions
✔ radishes

Watch for late frosts.

🌱 May – Peak Allotment Planting

Most crops can now be planted.

✔ potatoes
✔ carrots
✔ beetroot
✔ French beans
✔ runner beans
✔ sweetcorn
✔ courgettes (late May)

Warm soil speeds up growth.

🌱 June – Succession and Productivity

Keep sowing to maintain harvests.

✔ lettuce
✔ carrots
✔ beetroot
✔ French beans
✔ radishes
✔ spinach (summer varieties)

Regular watering becomes essential.

🌱 July – Filling Gaps and Fast Crops

Ideal for quick-growing vegetables.

✔ lettuce
✔ beetroot
✔ spring onions
✔ radishes
✔ turnips
✔ pak choi

Mulch beds to retain moisture.

🌱 August – Autumn and Winter Preparation

Planting shifts toward cooler-season crops.

✔ spinach
✔ winter lettuce
✔ pak choi
✔ radishes
✔ spring onions
✔ Swiss chard
✔ kale (early August)

Keep beds watered during dry spells.

🌱 September – Overwintering Crops Begin

Excellent establishment conditions.

✔ spinach
✔ winter lettuce
✔ rocket
✔ mustard greens
✔ spring onions
✔ turnips
✔ garlic (late September)

Warm soil supports root growth.

🌱 October – Hardy and Overwintering Planting

Planting slows but remains important.

✔ garlic
✔ overwintering onions (sets)
✔ broad beans (autumn varieties)
✔ spinach (winter varieties)
✔ rocket

Good drainage prevents winter losses.

🌱 November – Minimal but Valuable Planting

Only tough crops are suitable.

✔ garlic
✔ overwintering onions
✔ broad beans (mild areas)

Avoid compacting wet soil.

🌱 December – Quiet but Purposeful

Very limited planting.

✔ garlic (if conditions allow)

Focus on protecting soil and structures.

❄️🌤️ Allotment Growing Tips

✔ rotate crops yearly
✔ improve soil with compost
✔ protect crops with fleece
✔ sow little and often
✔ keep beds weed-free

Consistency leads to better harvests.

🌟 FAQs

Can you plant on an allotment all year in the UK?

Yes, but winter planting is limited to hardy crops.

Which months are busiest on an allotment?

March to May are the most active.

Is allotment planting suitable for beginners?

Yes. Many crops are forgiving when timed correctly.

Do allotments need winter planting?

Yes. Overwintering crops give earlier harvests.

Should I plan crop rotation monthly?

Yes. Planning ahead prevents soil problems later.