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Tree & Shrub Pruning. Naperville Community Gardens March 5, 2012 Stan Holat Autumn Tree [email protected] Pruning?. Pruning Locations. 3-Cut Branch Removal. Why do we prune?. Aesthetics Risk Reduction Plant Health Plant Growth Rate Tree structure-Subordinate Pruning.

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Presentation Transcript
tree shrub pruning

Tree & Shrub Pruning

Naperville Community Gardens

March 5, 2012

Stan Holat

Autumn Tree

[email protected]

why do we prune
Why do we prune?
  • Aesthetics
  • Risk Reduction
  • Plant Health
  • Plant Growth Rate
  • Tree structure-Subordinate Pruning
procedure
Procedure
  • Choose straightest leader to remain.
  • Look for location to cut down to (1/2 of the length)
  • Try to keep the current shape.
  • Remove smaller competing branches.
shrub pruning guidelines
Shrub Pruning Guidelines
  • Know your shrubs
  • Desired form
  • Arrangement
know your shrubs
Know your shrubs
  • Species
  • Cultivar/variety
  • Characteristics
  • History
  • Site
shrub form
Shrub Form
  • Formal
  • Natural
arrangement
Arrangement
  • Hedge
  • Foundation
  • Grouped
methods of shrub pruning
Methods of shrub pruning
  • Shearing/Shaping
  • Heading
  • Renewal
  • Rejuvenation
shearing shaping
Shearing/Shaping
  • Formal
  • Higher Maintenance
  • Caution of “dead zone”
  • Foliage Shell
  • Insect problems?
hedge tapering
Hedge Tapering
  • Bottoms must be wider than top to allow sunlight to lower branches to keep them green
heading
Heading
  • Maintain existing form
  • Thinning and cutting back to laterals
heading1
Heading
  • Heading to maintain size
  • Heading cut
renewal pruning
Renewal Pruning
  • Stimulates new growth throughout shrub
  • Remove older stems
  • Prune out 1/3rd each winter
rejuvenation
Rejuvenation
  • Cut ALL stems low
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