• Continue to deadhead and deadleaf perennials, making way for fall color
  • Cut down any mildewed peony, helianthus or phlox and make plans to amend soil or transplant
  • Stake tall aster, goldenrod, boltonia against wind and rain storms
  • Freshen containers for fall, removing spent summer plants
  • Continue to foliar feed annuals such as dahlias, lantana and marigold that bloom all fall
  • Keep up with weeding and be sure to at least cut off and bag seed heads on tall weeds to prevent them from blowing into your cultivated areas
  • Plant, transplant and divide perennials until the end of October
  • Transplant shrubs from end of September until the end of October, just before leaf drop for less stress and transplant shock
  • Test soil for amending later in fall
  • Protect tender annuals with insecticidal soap spray before bringing indoors for winter at signs of a frost
  • Finalize bulb orders for planting in October
  • Clean up spent crops in the vegetable patch and sow cover crops in bare soil areas to discourage weed seeds and enrich soil
  • Refresh the vegetable garden with small starts of Swiss chard, kale and lettuce
  • Plant cilantro now since it prefers cool weather
  • Make notes about changes to the garden for 2020

 

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