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This week in the garden: October 27 to November 2

Oak galls, which come in a wide variety of shapes and colors, don't harm people or tree. (Photo: UC IPM)
Oak galls, which come in a wide variety of shapes and colors, don't harm people or trees. (Photo: UC IPM)
The bumps on oak tree foliage and branches are galls caused by minute cynipid wasps, and do not harm people or the trees.

Tasks

  • Cut warm-season grasses short and over-seed with cool season grasses – annual or perennial rye or fine fescue. Better yet – let them go dormant to save water and mowing
  • Check and improve drainage around plants in low areas
  • Add fallen leaves, chipped trimmings, and garden debris to compost
  • Remember that plants in containers or beds under covered areas may not receive adequate water from rainfall and may require supplemental irrigation in fall and winter
  • Use organic mulch around permanent plants and add organic matter to the soil to prepare beds for spring planting

Pruning

  • Dispose of diseased wood by discarding in the trash

Plant peas from seeds in the fall. (Photo: Nancy Devaurs)
Plant peas from seeds in the fall. (Photo: Nancy Devaurs)

Fertilizing

  • Feed cool-weather plants and vegetables
  • Add bulb fertilizer to planting holes before planting bulbs

Planting

  • Tulip and hyacinth bulbs that have been chilled for six weeks may be planted now
  • Sow wildflowers or grasses on hillsides to prevent erosion in heavy rains
  • Perennials: coral bells (Heuchera)
  • Bulbs, corms, tubers: Hyacinthus orientalis
  • Fruits and vegetables: cabbage, peas, spinach, plant from seed
  • Annuals: toadflax (Linaria maroccana), stock (Matthiola incana)
  • Trees, shrubs, vines: Indian hawthorne (Rhaphiolepsis)

Enjoy now

  • Annuals and perennials: stock (Matthiola) African daisy (Osteospermum)
  • Fruit and vegetables: Asian pears, chard, nectarines, peas, peppers
  • Trees, shrubs, vines: holly (Ilex), Chinese fringe flower (Loropetalum), Nandina
  • Fall color: crape myrtle (Lagerstroemia indica), sweet gum (Liquidambar)

Things to ponder

  • Do not use lime sulfur spray on apricots or walnuts
September plantings of Swiss chard, a healthy and delicious leafy green, are ready for harvest now. (Photo: Nancy Devaurs)
September plantings of Swiss chard, a healthy and delicious leafy green, are ready for harvest now. (Photo: Nancy Devaurs)