Do not use chemical sprays once temperature reaches 28 degrees, or you will burn your plants. Best time is early evening, once the sun has set.
Water your plants and not your garden. Give each plant a watering can full of diluted seaweed solution once a week in very hot weather.
Spray Hibiscus with Confidor to prevent hibiscus beetle from damaging flowers
Feed gardenias each month through summer with pelletised manure and water with organic liquid feed such as seaweed or liquid blood and bone.
Take semi-hardwood cuttings of camellia, azalea, gardenia, fuchsia, daphne and osmanthus. Take an 10cm cutting from a healthy shoot, wood that has aged from green to brown. Remove the lower leaves and cut the remaining leaves in half. Dip base of cutting in hormone gel to ensure strong root growth and pot up into small pots with several cuttings around the outside of the pot. Keep it shaded until the cutting has struck. Roots should form after 3 weeks and then you can repot each cutting into its own pot and plant into the ground at the end of summer. Keep the cuttings just moist until new roots have established.
Prune and feed petunias for another flush.
Protect hydrangea from fierce summer sunshine.
Do not feed your garden in very hot weather, will place too much stress on root systems.
Prune lavender and deadhead agapanthus as they finish.
Trim runaway shoots on wisteria
Support growing dahlias with thin bamboo stakes.
Turn compost to accelerate the decomposition process
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