Landscaping Tips for the Month of July

Chores and Maintenance:

  • If rain is lacking, practice water-wise horticultural techniques
  • Determine which plants are most important and water them first
  • Water plants early in the day through drip irrigation or hand held hose with shut-off nozzle
  • Re-apply mulch to plantings to help conserve moisture
  • Allow lawns to go dormant; they will green up again when rain returns
  • Continue to remove weeds which compete for water
  • Continue to stake floppy plants and vines
  • Mow lawns regularly to keep grass height at 3-4in.
  • Continue to aerate and moisten compost pile to speed decomposition
  • Continue to apply acid mulch to azaleas, rhododendrons, and other ericaceous ornamentals
  • Apply a summer mulch to rose beds to preserve moisture and control weeds
  • Deadhead annuals and perennials to encourage continuous bloom and cut back any rampant growth
  • Continue to spray roses weekly with a baking soda fungicide (See June Tips for recipe)
  • Remove any fallen leaves and debris which can harbor insect pests and disease organisms
  • Pinch back asters and chrysanthemums one last time
  • Finish deadheading rhododendrons and lilacs
  • Continue to apply deer repellent


  • Continue to repot any houseplants as needed
  • Continue to lift, divide, and propagate spring-flowering perennials
  • Sow seed of lettuce, kale, broccoli, cabbage, radishes and arugula for fall harvest
  • Sow seed of English daisy, forget-me-not and pansy now
  • Continue to propagate shrubs from softwood cuttings
  • Propagate spring-flowering perennials
  • Propagate herbs from cuttings
  • Continue transplanting container grown plants


  • Deadhead hybrid tea, grandiflora, floribunda, miniature, repeat-blooming shrub and climbing roses
  • Prune climbing roses after flowering
  • Prune and thin large shade trees to increase light for lawns and planting beds
  • Prune evergreens, and deciduous and evergreen hedges into early summer
  • Prune all raspberry canes which have completed fruiting to the ground
  • Fertilize broad-leaved flowering evergreen shrubs with topdressing of oakleaf compost/and or cottonseed meal
  • Fertilize needle evergreens with acid type fertilizer
  • Fertilize roses
  • Continue to fertilize annuals and container plants each month
  • Fertilize chrysanthemums every 2-3 weeks until buds form
  • Fertilize vegetables
  • Leave nitrogen-rich grass clippings on lawn

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