May Tree Care Tips

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May Tree Care Tips


  • Mulch around flower and shrub beds to conserve moisture and keep down weeds.
  • Water plants, trees, shrubs and lawn infrequently, but thoroughly.
  • After May 20th, put out annuals and perennials.
  • Spray for Mountain Pine Beetle.
  • Check for Aphids.
  • Fertilize annuals and perennials with fertilizer.
  • Trim trees as needed.
  • Fertilize the lawn.
  • Plant new trees.
  • Apply Cambistat growth regulator on trees that should be growth-controlled.
  • Spray for IPS beetle.
  • Spray for Ash Borer.
  • Apply Envirotree fertilization to promote health of trees.
  • Sprinkler systems – clean them out, repair if necessary, and schedule appropriately.

ArborScape Denver Tree Service Blog - your Colorado May tree care tips: general May maintenance tasks to optimize your landscape tree health || Denver tree trimming and tree removal


May tree Care tips 2010 v2 update 16


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Tree care updates and news items as well as best practices for canopy management to keep your trees and lawn sustainably growing. These posts represent a synthesis of our best practices and knowledge from serving thousands of customers.