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UC Master Gardener Program of Yolo County

Monthly Garden Checklist and Planting Guides

January in the Garden

 

Checklist

hand picking oranges from an orange tree
  • Order seeds for warm weather flowers.

  • Plan your spring garden. Rotate crop location from last year.

  • Feed camellias, azaleas, acid-loving plants at the end of bloom; feed 3 times during year: early spring, mid-summer, and early fall. 

  • Check winter vegetables for aphids. A strong blast of water will remove them.

  • Apply dormant oil spray to control insect eggs on roses and other deciduous plants. 

  • Use needles from pine trees as mulch for acid-loving plants.

  • Keep ground clean beneath camellias by picking up dead blossoms and leaves.

  • Clean up all yard debris to reduce disease transmission

  • Begin pruning fruit trees; remove and discard fruit mummies, all old leaves and debris.

  • Prune roses, shade trees and other deciduous plants. 

  • Divide crowded perennials for additional summer blooms. 

  • Plant citrus trees in warm part of garden; protect them from the wind.

Planting Guide

Vegetables & Herbs

winter vegetable inside green house
  • Start seeds in green house or cold frame for onions, cabbage, peas, spinach, cauliflower, broccoli, some lettuces, tomatoes, carrots, chard, and beets.

  • Transplant seedlings or purchased plants of cauliflower, broccoli, cabbage, some lettuces, shallots and garlic.

  • Harvest Brussels sprouts, cabbage, parsnips, cauliflower, broccoli, carrots, rutabaga, and turnips.

  • Plant bare root grapes, strawberries, asparagus, and berries.

Bulbs and Flowers

Kniphofia (Red Hot Poker)
Kniphofia (red hot poker or torch lily)
  • Plant pansies, calendula, corms for gladiolus, candytuft, cineraria, dianthus, snapdragon, and viola.

  • EXTERNAL IM

Trees and Shrubs

  • Plant bare root roses, citrus trees, shade trees, and living Christmas trees.

  • Shop for azaleas and camellias while they are in bloom, and plant them.

 

Flowering quince
Flowering quince in January