Take cuttings from summer-flowering clematis.

Plant out annual climbers but cover them with fleece at night if frost is forecast.Begin feeding plants in containers and continue through the summer.Harden off hanging baskets and windowboxes ready to put in position outdoors when all danger of frost is over.Plant both dormant dahlia tubers and young plants.Propagate stocks of hydrangea hortensia in a warm frame, inserting cuttings singly into 3in pots and putting them in the frame.Continue to make successional sowings of swedes and turnips, through to July, to produce crops from August to October.Sow scarlet runner beans and dwarf kidney beans direct into the garden.Continue to water newly-planted trees and shrubs regularly, especially in long periods of hot weather.Thin out vegetables sown earlier in the kitchen garden.Trim box and other formal hedging lightly.

Move tender shrubs in pots outside for summer.