Harvest rhubarb stalks reach 9-12″. Pull (do not cut) stalks.
Lift and divide overcrowded daffodil clumps. Separate offsets from parent plant and replant.
Earth up potatoes in open ground and containers as the foliage reaches 9″
Prune spring-flowering shrubs such as forsythia and philadelphus.
Sow carrots, radishes, beetroot, lettuce and spring onions for continuous cropping.
Net culinary cherries against birds.
Wait until all risk of frost has passed before planting or moving tender plants outdoors.
Prune overgrown camellias as they start putting on fresh growth. Cut to young side side shoots.
Water crops in dry weather especially at sowing times. This will prevent bolting.
Do not start feeding tomatoes until the flowers on the first truss have set.