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Autumn Growing Guide for Polytunnels in Ireland

Autumn is the perfect time to keep your polytunnel productive in Ireland. Cooler temperatures and shorter days don’t have to mean the end of your harvest. With the right crops and care, your tunnel can continue providing fresh produce throughout the season.

What to Grow This Autumn (October – November)

Hardy leafy greens: kale, spinach, chard, rocket, and pak choi flourish in cooler conditions.
Late root vegetables: carrots, beetroot, and radishes can continue growing under cover.
Winter salads: lamb’s lettuce and mizuna provide fresh leaves well into winter.
Garlic and onions: plant now for a spring and early summer harvest.

Tips for Autumn Polytunnel Care

Ventilation: Open doors or vents on warmer days to prevent condensation and fungal problems.
Succession sowing: Sow small batches every few weeks for a continuous harvest.
Frost protection: Use cloches, fleece, or heaters on especially cold nights to safeguard tender crops.

Why Use a Polytunnel This Autumn

A polytunnel protects your crops from wind, rain, and early frost, giving you extended growing opportunities compared with open garden beds. With careful planning and maintenance, you can enjoy a productive autumn harvest and prepare for winter planting.

👉 Make the most of your tunnel this season — check out Polydome’s range of high-quality Polythene Polytunnels and accessories for your garden or allotment.