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Tips for Plants, Trees, and Shrubs

  • To control any boring or leaf-feeding insects such as bronze birch borer & elm leaf beetle and aphids in trees and shrubs, apply Bonide Annual Tree and Shrub Insect Control now.  Be sure the ground is moist & not frozen before applying, then follow up with proper winter watering three to four weeks later. We do not recommend using this product on any edible fruiting trees and avoid using it when bees are foraging. ALWAYS PLEASE READ THE LABEL BEFORE APPLYING ANY PESTICIDE! 
  • Continue cutting branches – those with interesting foliage as well as flowers — for forcing indoors.  Refer to January’s tips for detailed instructions.
  • Prune fruit trees in late February or early March.
  • Heavy (no more than 25% by volume) pruning of large woody plants can be done this month as weather permits. Prune large spring flowering trees and shrubs after they bloom.
  • Immediately prune out broken or damaged branches.
  • When pruning trees in your landscape, keep in mind that maple, elm, birch, and others may produce copious amounts of sap when pruned at this time of year.
  • Inspect trees for frost cracks or sunscald injury.
  • Apply Bonide All Seasons Horticultural & Dormant Oil to trees and shrubs to prevent insect infestations; we recommend you buy the concentrate, read the directions, and mix to a dormant rate concentration.  Spray three weeks later and before buds swell with Bonide Copper Fungicide or Monterey Liqui-Cop to control leaf diseases such as peach leaf curl and powdery mildew.
  • Remove heavy snow loads from evergreen branches by gently sweeping snow off with a broom.  If branches have been anchored to the ground, gently lift them from underneath with a broom. Avoid beating tree branches with any heavy tools.
  • Allow any ice that accumulates on tree branches to melt. Cracking ice with heavy objects should be avoided.