Growing note 13 · Ireland & UK

Strawberries in containers: a small, sunny patch

A strawberry pot is a lovely use of a sunny corner. It still needs space, moisture and a little attention—especially if that corner is a hanging basket.

Choose the harvest pattern

Summer-fruiting strawberries give a relatively concentrated crop. Perpetual or everbearing types produce smaller flushes over a longer season, while alpine strawberries give small fruits. Choose the pattern you want rather than expecting one plant to provide a bowl every day. Check the plant label for variety-specific guidance.

RHS recommends a sheltered, sunny position for the sweetest fruit. Pots and troughs make useful homes; a traditional multi-pocket strawberry pot can be harder to water evenly. A hanging basket also dries quickly and must be safely supported. Do not hang a heavy wet container over an unprotected drop.

Plant at the crown, not over it

1. Choose a roomy container with clear drainage and suitable peat-free multi-purpose or soil-based potting compost.
2. Plant with the crown—the point where leaves meet roots—level with the compost surface. Burying it too deeply encourages rot; leaving roots exposed dries them out.
3. RHS suggests about 20cm between plants in containers. Avoid squeezing extra plants into a pot just because the leaves are small at purchase.
4. Water to settle the roots, then maintain moisture without standing the pot in water.

Spring, late summer and early autumn are suitable planting periods in RHS guidance. Bare-root or cold-stored runners should be handled according to supplier instructions and planted promptly; avoid frozen or waterlogged conditions.

Care as flowers and fruit develop

Check containers regularly, particularly in warm or windy weather. Water at compost level where possible. Follow the plant and feed instructions; RHS recommends feeding container plants during the growing season, moving to high-potassium feed as flower buds form. Extra fertiliser is not a substitute for steady water or enough light.

If using covers to advance the season, allow pollination: open them when appropriate for insects or hand-pollinate as described by RHS. Covers also need ventilation. Remove damaged or mouldy fruit promptly, and keep leaves from forming a constantly damp mass.

Think beyond the first summer

Container strawberries can still suffer from slugs, birds and vine weevils. Inspect plants rather than assuming height alone protects them. If using bird protection, keep mesh secure and taut so wildlife is not entangled.

Remove unwanted runners if they crowd the pot; keep only healthy material if propagating replacement plants. Older plants become less productive, so plan to renew the planting rather than adding feed indefinitely. Record variety and harvest dates: a short, good crop may suit your kitchen better than a much longer trickle.

Sources & scope

Keep growing

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• Watering balcony vegetables: cans, reservoirs or drip lines?

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