Dead head daffodil bulbs, but leave the foliage to die back naturally. Plant lilies and other summer bulbs in pots or borders. Feed ericaceous shrubs such as rhododendrons, azaleas, camellias and pieris with an ericaceous fertiliser.
Finish pruning roses early in the month. Cut dogwoods, willows and cotinus to promote vigorous new growth. Sow tomatoes, chillies, sweet peppers and aubergines indoors. Plant onions and shallot sets. Plant first early potatoes, sow parsnips when the soil starts to warm up.
Give lawns a spring feed. Cut back winter flowering jasmine after it has finished flowering. Lift and divide overgrown clumps of perennials.
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