September
Chores and Maintenance
- Seed or sod new lawn – keep grass seed damp, mulch
- Edge, mulch flower beds for weed control (manure, seaweed, salt-marsh hay)
- Begin moving houseplants indoors after inspecting for insects – do not fertilize or prune now
- Destroy leaves infected with black spot and rust
- Prepare beds for spring planting
Plant and/or Transplant
- Transplant evergreen trees and shrubs, ground covers, and perennials
- Divide and replant daylilies and iris
- Plant peonies, uppermost eyes 2” below surface
- Plant early spring bulbs – crocus, daffodils, hyacinths, tulips
- Plant gardens and containers with asters, mums, etc.
- Pot hardy spring bulbs for in-house blooming after late December
Fertilize
- Peonies with superphosphate
- Roses for the last time
- Lawn with fall feeding, more phosphorous and potassium than nitrogen (for root growth)