June To Do

JUNE Gardening To-Do List

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Zone 3

  • Set out seedlings of warm-season annuals and vegetables
  • Plant summer-flowering bulbs
  • Weed asparagus and strawberry beds
  • Put up trellises or netting for peas, pole beans and flowering vines
  • Divide and replant spring-blooming perennials after the flowers fade
  • Plant container roses
  • Fertilize and aerate lawns
  • Plant balled-and-burlapped and container trees, shrubs and vines
  • Apply sulfur to control fungus problems on apple trees, roses and grapevines
  • Pinch off first flower buds on chrysanthemum and carnation plants to coax bigger blooms
  • Protect cole crops (cabbage, broccoli, kale) from egg-laying cabbage white butterflies with insect barrier cloth
  • After their leaves yellow and dry up, divide and transplant crowded spring bulbs
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Zone 4

  • Plant seedlings of warm-season annuals and vegetables
  • Sow seed of fast-growing, heat-loving herbs, vegetables (basil, squash, melons) and flowers (nasturtiums, zinnias) directly in ground
  • Thin out small green fruits on apple, peach and plum trees to one every 6 inches on the branch
  • Dust potato plants to prevent infestations of potato beetle
  • Set up trellises to support pole beans, morning glories and cucumbers
  • Remove newest shoots from geranium plants to encourage fuller plants
  • Plant new lawns and fertilize and aerate established lawns
  • Plant container roses, shrubs and trees in well-amended soil
  • Divide and transplant spring-flowering perennials that have finished blooming
  • Protect cole crops (cabbage, broccoli, kale) from egg-laying cabbage white butterflies with insect-barrier cloth
  • Weed asparagus and strawberry beds
  • Remove new flower buds from chrysanthemums and carnations to coax bigger blooms
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Zone 5

  • Divide and transplant spring-flowering perennials that have finished blooming
  • Harden off and plant seedlings of warm-weather vegetables and flowers
  • Thin out small green fruits on apple, peach and plum trees to one every 6 inches on the branch
  • Sow seeds of perennials directly into the ground
  • Dust potato plants to prevent infestations of potato beetle 
  • Pinch newest shoots on geranium plants to encourage fuller plants
  • Train your lawn to grow deep roots; Mow often, at a high setting
  • Plant balled-and-burlapped and container shrubs and trees
  • Feed roses as the first flower buds appear; apply fungicide to prevent powdery mildew or blackspot
  • Weed asparagus and strawberry beds • Feed young corn plants with high-nitrogen fish emulsion fertilizer
  • Mulch flower and vegetable gardens to conserve water during heatwaves
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