- 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 2023
