Gardening Tips for March for Redwood City, CA

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Southwest Region

  • Fertilize cool-season lawns, such as bluegrass and ryegrass. Do not fertilize warm-season lawn grasses yet.
  • Now is the time to plant almost every kind of landscape plant. Remember, the sooner you plant, the sooner your plants will become established.
  • Water lawns and gardens deeply once to twice a week, depending on the amount of rain. Do not overwater.
  • To help avoid weeds in your lawn, establish a regular mowing schedule now. Avoid mowing your lawn when it is wet, however, to prevent the spread of fungal problems.
  • Prune evergreen and summer-flowering trees and shrubs. Prune spring-flowering shrubs only after they finish blooming.
  • Divide and replant summer- and fall-blooming perennials.
  • Add new flowers to your garden, such as bee balm, black-eyed Susan, cosmos, marigold, sunflower, and zinnia.
  • Finish planting any cool-season vegetables, such as beets, carrots, cabbage, peas, and potatoes.
  • Summer vegetables can begin to be sown toward the end of the month: beans (lima and snap), corn, cucumbers, melons (cantaloupe, muskmelon, and watermelon), okra, green onions, peanuts, pumpkins, summer squashes, and sunflowers.
  • Plant transplants such as: artichokes, eggplants, peppers, and tomatoes.
  • Plant herbs such as: basil, chamomile, chives, lavender, marjoram, mint, oregano, parsley, sage, savory, thyme, and yarrow.
  • Apply mulch around the base of edibles and flowers to conserve moisture (and prevent weeds).
  • Fertilize deciduous fruit trees when they leaf out.
  • Once the fruit on your trees set, thin out the fruit to about 6 inches apart. This thinning encourages the fruit to grow bigger.
  • Prune frost-sensitive citrus trees after new spring growth. Plant new citrus trees.
  • Beware of pests that are attracted to new growth, such as aphids and cutworms.
  • Continue fertilizing established roses, watering the day before and after application.
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