Saturday, March 6, 2021


January in the Garden

by: Colusa County Master Gardeners

In the Garden:

  • Plant rhubarb, strawberries, and cane berries. Plant seeds for broccoli, cabbage, parsley, turnips, peas, radishes, lettuce, and spinach.
  • This is the time to plant bare root roses, trees, artichoke crowns, grapevines, and other vines.
  • You can still plant pansies, violas, snapdragons, and fairy primroses.
  • Plant gladiolus every 2 weeks for a succession of blooms.
  • Later in the month you can divide Shasta daisies, daylilies, chrysanthemums, and other perennials.

NOTE: Beware of digging in soggy soils. All plantings should be well-drained; the new plants might rot if soil is soggy.

  • Roses, fruit trees and other perennials can be pruned this month.
  • Do not prune spring flowering shrubs until after they bloom.
  • Prune berry canes that bore fruit last year to the ground.
  • Prune grapevines back, leaving 2 to 3 buds per side shoot.

Pest and Disease control:

  • Spray horticultural oil on pruned fruit trees to control scale, mites and aphids. Thorough coverage will kill over-wintering eggs.
  • Later in the month, spray neem oil on roses to control mildew, rust, and black spot. Do not apply oils unless there will be 24 hours of dry weather following application.
  • Be sure to clean up debris (leaves and twigs) around roses and fruit trees to help prevent disease.
  • Order seeds for this year’s vegetable and flower garden. 

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