Spray citrus with oil-based sprays to control scale insects and sooty mould, and to prevent attack by citrus leaf miner. Trim azaleas and camellias. Southern gardens Plant a second crop of pumpkins, melons and zucchini. They will go into any piece of bare earth. Plant petunias to add a splash of colour.
Seedlings are available in nearly any colour combination.
Prune back new growth on wisteria to five buds. This will encourage it to put effort into flowering rather than growing for next year. If you haven't yet done so, fertilise your garden plants with compost or a complete fertiliser. Add a wetting agent to the whole garden to save water. Add water-storing granules to all your pots and containers.