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Tree Service MN

  • Monitor trees and shrubs for insects and disease. Adjust watering as needed.
  • Finish pruning early flowering shrubs such as lilacs and spring flowering spirea after flowering.
  • Symptoms of Dutch elm disease and oak wilt start to become more noticeable. Fungicide injections can prevent both diseases.
  • Finish pruning evergreen shrubs before it gets too hot (especially if shearing must be done).
  • Prune hedges and formal shrubs to maintain shape.
  • Prune flowering shrubs such as weigelia and mockorange after flowering.
  • Tree pruning should be done only for trees with no disease issues.
  • Remove diseased elm trees to minimize spread of Dutch elm disease.

Tree Service MN

  • Fall fertilization begins in September.
  • Fungicide injections to treat and prevent Dutch elm disease and oak wilt will continue until the trees start losing leaves.
  • Many insect pests can be controlled for the following year by applying soil-injected insecticides in fall.
  • Fall pruning for deciduous shrubs can be done except for shrubs where flowers will be removed.
  • Now is good time for removal of buckthorn and unwanted trees.
  • Plant new trees and shrubs. Make sure enough time is left for root establishment before winter.
  • Divide overgrown perennials. Clean up and mulch perennial beds.

Tree Service MN

  • The majority of maintenance in winter is pruning of oak, elm, locust, hawthorn, and fruit trees.
  • Winter is a good time to do any removals that may involve heavy equipment to minimize the impact on landscapes.
  • Order perennials to plant in spring so they will arrive at the proper time.

Tree Service MN

  • Finish dormant season pruning, especially for oak, elm, locust, and fruit trees (end of march)
  • Prune hybrid tea and modern roses before growth begins.
  • Only prune out dead and damaged canes on old roses.
  • Clean up and mulch perennial beds.
  • The disease control season starts with apple scab and athracnose sprays (May).
  • Fertilize trees and shrubs to promote growth and health.
  • Prune early flowering shrubs such as magnolia and forsythia after flowering.
  • Plant new trees, shrubs, and perennials.
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Professional and Industry Links (Click on logos below)

Tree Care Industry Association
Minnesota Society of Arboriculture
International Society of Arboriculture
Minnesota Nursery and Landscape Association

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