Inspect plants regularly for signs of insect infestation or disease so you can take quick action when necessary. Remove faded flowers to encourage second blooming for plants such as wild geranium, coreopsis, and beebalm. Do this early to ensure that a second bloom will set in so that birds will have many seed heads to feed from in the winter. Mulch plants to maintain moisture over dry summer months. Cover the soil between plants, but leave an air space around the stems and centres of the plants. Maintain grass at five to seven centimetres high so it can better withstand drought and compete with weeds. If you use sprinklers to water the garden, do so in the morning to help prevent water loss from evaporation. Additionally, foliage left wet overnight is more vulnerable to mildew, fungus and disease. Gather any spotted leaves fallen from apples and crabapples and dispose of them; do not add them to your compost. Leaves with this apple scab fungus may cause more problems next year if left around.
Avoid moving plants in the heat of summer. Mark the plants that need to be split or moved so that you can identify them once cooler fall weather comes. If you must move them, be sure to water them well and often; provide shade with a makeshift tent if you can. Prune maples and birches, which bleed in early spring. If needed, prune spring-flowering shrubs right after they finish blooming.
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