Plant agapanthus bulbs in groups in large pots, or directly outside in warm, sheltered borders.

Move back containers of shrubs and permanent plantings from their sheltered winter homes to their usual positions.

Sow a short row of lettuce every other week to ensure a regular supply of leaves throughout summer.

Sow peas and mangetout outside.

Continue potting up rooted cuttings of chrysanthemums and plant out well rooted plants once they have been hardened off in a cold frame.

Support growing border plants to stop them from collapsing.