August Garden Tips

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  • Be careful of the heat. Wear a hat and sunscreen; drink plenty of water. Try to do outside work in the morning or evening, when it is cooler.
  • Be sure to trim trees and vines growing near swimming pools.
  • Choose crape myrtles.
  • Clean off the stems from agapanthus and daylilies that have already bloomed.
  • Control fireblight by removing disfigured branches and twigs.
  • Control pests and diseases that cause dead brown patches on cool-season lawns.
  • Control pests on fuchsias.
  • Control rose pests and diseases.
  • Control white grubs on cool-season lawns.
  • Cut back your petunias in mid-August to keep them flowering.
  • Cut off the suckers from deciduous fruit trees.
  • Do not fertilize deciduous fruit trees.
  • Feed fuchsias, tuberous begonias, water lilies, cymbidiums, ferns and tropicals.
  • Feed warm-season lawns. Feed cool-season lawns only if they show signs of yellowing.
  • If you started biennials from seed in July, fertilize them with fish emulsion at weekly intervals.
  • Fertilize roses.
  • Give fuchsias a light pruning.
  • Control weeds by mulching, cultivating, and hand-pulling.
  • Pick out and purchase cassias and flame eucalyptus.
  • Plant papayas, bananas, and palms.
  • Plant tropicals in coastal zones.
  • Prune and train wisteria.
  • Prune and train your espaliers through the growing season.
  • Pull out dead crabgrass if you have previously treated it with weed killer.
  • Purchase and plant succulents, cacti, and euphorbias.
  • Remove dead and dying foliage from date palms.
  • Remove suckers from roses.
  • Stop pinching chrysanthemums.
  • Study your irrigation system; check for malfunctioning heads. On drip irrigation systems, flush filters and headers.
  • Transplant palms.
  • Water warm-season lawns deeply at least once a week in most zones. Water cool-season lawns more shallowly and frequently. Follow local water restrictions, of course.