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How to Prepare Your Allotment for Autumn

Introduction

As summer fades and cooler days arrive, it’s time to think ahead and get your allotment ready for the months to come. Autumn is not just about tidying up after the main growing season — it’s also about preparing for winter, planting new crops, and setting the stage for a productive spring.

In this guide, we’ll walk you through how to prepare your allotment for autumn, covering essential tasks such as harvesting, soil care, planting, protection, and wildlife support. By doing these jobs now, you’ll keep your plot productive and healthy all year round.

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Why Autumn Preparation Matters on the Allotment

• Protects soil structure before winter weather sets in.
• Extends the growing season with overwintering crops.
• Reduces pests and diseases by clearing old plants.
• Supports wildlife that helps balance the allotment ecosystem.
• Saves time in spring by getting groundwork done early.

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Step 1: Harvest Remaining Crops

Before the first frosts arrive, lift and store any crops that won’t survive the cold.

• Potatoes: Harvest maincrop varieties and store in hessian sacks.
• Pumpkins and squashes: Pick when skins are hard and stems woody.
• Root crops: Carrots, beetroot, and parsnips can be lifted or left in the ground with protection.
• Fruit: Harvest apples, pears, and plums before they drop and bruise.

✅ Use surplus harvests for chutneys, freezing, or sharing with fellow plot holders.

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Step 2: Clear Away Old Plants

Spent crops can harbour pests and diseases over winter.

• Pull out dead bean and pea plants.
• Remove blighted tomatoes and potatoes (don’t compost them).
• Chop up healthy plant waste for compost.

✅ A clean allotment bed now reduces pest problems in spring.

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Step 3: Improve Soil Health

Healthy soil is the backbone of a productive allotment. Autumn is the perfect time to feed and protect it.

• Add compost or well-rotted manure to empty beds.
• Sow green manures such as clover, rye, or field beans to enrich soil.
• Mulch beds with bark, leaf mould, or compost to insulate and suppress weeds.

✅ Rotating manure and compost around different beds each year keeps soil balanced.

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Step 4: Plant Autumn and Winter Crops

Don’t leave beds bare — keep them productive with overwintering crops.

• Garlic: Plant cloves in October–November for a summer harvest.
• Onions and shallots: Plant sets in September–October for an early June crop.
• Broad beans and peas: Sow hardy varieties (e.g., Aquadulce Claudia, Meteor).
• Winter salads: Lamb’s lettuce, rocket, mizuna, and spinach grow well under cloches.

✅ Protect young crops with fleece or netting to deter birds and frost.

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Step 5: Protect Tender Plants

Some crops and perennials need extra care.

• Lift dahlias and gladioli bulbs to store indoors.
• Move tender herbs like basil and parsley into pots under cover.
• Use cloches or fleece to protect late courgettes, salads, or beans.

✅ A little protection now saves plants from frost damage.

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Step 6: Prepare Fruit Areas

Autumn is a key time to care for fruit bushes, trees, and canes.

• Prune raspberries: Cut summer-fruiting canes to ground level.
• Mulch strawberries: Remove dead leaves and add compost around crowns.
• Plant new fruit trees and bushes: Autumn’s cool, moist soil helps roots establish.

✅ Well-cared-for fruit plants reward you with bigger harvests next year.

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Step 7: Look After Perennial Beds

Perennials need attention to ensure they come back strong.

• Cut back rhubarb leaves after frost.
• Mulch asparagus beds to protect crowns.
• Weed thoroughly to reduce spring competition.

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Step 8: Maintain Paths and Structures

Autumn is the perfect time for DIY and repairs.

• Fix broken fences, trellises, and raised beds.
• Lay woodchip or gravel paths to keep them mud-free.
• Clean water butts and check guttering.

✅ Good maintenance now makes the allotment easier to manage in winter.

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Step 9: Care for Compost and Leaf Piles

Autumn produces lots of organic material — perfect for composting.

• Add vegetable peelings, leaves, and spent crops.
• Balance “greens” (nitrogen-rich waste) with “browns” (cardboard, straw).
• Turn heaps to speed decomposition.
• Collect leaves in sacks to make leaf mould, a valuable soil improver.

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Step 10: Support Wildlife on the Allotment

A wildlife-friendly allotment is healthier and more balanced.

• Put up bird feeders and water baths.
• Leave some seed heads for finches.
• Build log piles for hedgehogs and insects.
• Avoid cutting everything back — leave wild corners for nature.

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Step 11: Tidy Greenhouses and Sheds

• Remove old crops and wash pots and trays.
• Clean greenhouse glass to maximise light.
• Insulate with bubble wrap for winter.
• Oil and sharpen tools; store hoses and watering cans.

✅ A tidy, organised greenhouse and shed make spring sowing stress-free.

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Step 12: Plan for Next Year

Autumn is also a time for reflection and planning.

• Review this year’s successes and challenges.
• Rotate crops to prevent pests and diseases.
• Order seeds and onion/garlic sets early.
• Sketch out next year’s allotment layout.

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Conclusion

Preparing your allotment for autumn is about more than tidying up — it’s about setting your plot up for success. By harvesting the last crops, clearing beds, improving soil, and planting overwintering vegetables, you’ll keep your allotment productive through the colder months and ready for spring growth.

With wildlife support, greenhouse care, and a little forward planning, your autumn efforts will pay off with healthier soil, stronger plants, and bigger harvests next year.

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Top 10 Questions About Preparing Allotments for Autumn

1. What crops can I plant in autumn on my allotment?
Garlic, onions, shallots, broad beans, peas, and winter salads.

2. Should I dig over my allotment in autumn?
Yes, it improves soil structure and helps break down organic matter.

3. Can I leave root crops in the ground over winter?
Yes, parsnips and carrots can stay in the ground with fleece or straw protection.

4. How do I protect my allotment soil over winter?
Mulch, sow green manures, or cover beds with fleece or cardboard.

5. When should I harvest pumpkins and squashes?
Before the first frost, when skins are hard and stems woody.

6. Is autumn a good time to plant fruit trees?
Yes, cooler soil helps roots establish before spring.

7. Should I tidy my greenhouse in autumn?
Yes, clear, clean, and insulate to prepare for winter sowing.

8. Do I need to protect onions planted in autumn?
They’re hardy, but fleece or mulch helps in very cold regions.

9. What should I do with fallen leaves on my allotment?
Collect them for compost or make leaf mould.

10. Is autumn a good time to plan next year’s crops?
Yes, it’s the perfect season to rotate beds and order seeds.

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