Gardener’s To-Do List for May

Here’s a zone-by-zone to-do list for the month of May.



May To-Do List for Zone 4

  • In the flowerbed, divide overgrown perennials, and establish new beds with the divisions.
  • Sow seeds of annual flowers such as bachelor's buttons, marigolds, and zinnias.
  • Start melon, cucumber, and squash seeds indoors or in a coldframe.
  • Plant frost-sensitive veggies—such as tomatoes, beans, and summer squash—at the end of the month.
  • Prune lilacs, azaleas, spirea, and other spring-flowering shrubs after they bloom.

Photo: C. Colston Burrell