Bougainvillea and Plumbago capensis should be kept well fed and watered throughout the flowering season but never let them become waterlogged.
Either prune back or train in the long extension growths on Jasminum polyanthum before it gets a tangled mass.
Hoyas or any other plants susceptible to mealy bug and treat with methylated spirit painting and spraying with Pravado.
Oranges, lemons and other citrus plants need regular feeding with their summer feed, keeping an eye open for attacks of scale and spraying if necessary with Pravado.
Trim the dead flowers off Cytisus racemosus (Genista fragrans) and prune to shape where necessary.