Apply a high potash liquid feed to dahlias, water regularly and tie in new growth to stakes.
Prune espalier and cordon-grown apple and pear trees.
Hand-weed heather beds and replace mulch if necessary.
Cover cherries and autumn-fruiting raspberries and blackberries with nets or hang reflective scarers in trees to keep birds away.
Give old blackcurrant bushes an annual prune, removing about a quarter of the oldest branches.