Sow parsley in shallow drills in a damp, shady position.
Repot house cacti in pots one size larger than their existing containers. Trickle in cactus compost around the edge.
Sow dahlias, lilies, herbs and hardy annuals in the greenhouse.
Take the insulation and horticultural fleece off vulnerable pots and tender shrubs in milder areas.
Continue to weed beds and borders and hoe any weed seedlings before they become established.
If your pond pump and filter have been turned off during the winter, get them working again now.
Start feeding your fish in moderation when the water temperature stabilises at 7C (45F).
Continue to prick out seedlings before they become overcrowded.
Mulch beds and borders to stop weeds in their tracks.
Check borders for plant losses and plan to fill the gaps.
Be vigilant against slugs and snails, to protect vulnerable new foliage.
Lift overcrowded snowdrops and winter aconites before the leaves die down, separate and replant immediately.
Plant hippeastrums in pots for late spring flowering, but keep them in a warm, humid atmosphere until the buds appear.