purple Morning Glory flowers on brown risers

September Garden Checklist for Zone 5

The flower of the month is Morning Glory.

  • Divide and transplant perennials
  • Last fertilizing of lawns for the year
  • prepare and seed new lawns
  • Renovate perennial borders
  • Cover tender plants when frosts are forecast
  • Start saving seed for next year
  • Stop watering tuberous begonias
  • Plant spring-flowering perennials now
  • Fertilize roses one last time
  • Fertilize fruit trees after harvest
  • Adjust mower level lower
  • Soak the soil around evergreens and transplants
  • Stop fertilizing trees and shrubs to permit this year’s growth to harden off before winter
  • Prune plum trees right after harvest
  • Mark perennials or create a map showing their location so you will know where they are when they die back at the end of the season.
  • Plant evergreen now to get them a good start before winter. Use transplant fertilizer.

Source: London Middlesex Master Gardeners

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