Tree shrub pruning
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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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Tree & Shrub Pruning

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Tree shrub pruning

Tree & Shrub Pruning

Naperville Community Gardens

March 5, 2012

Stan Holat

Autumn Tree

[email protected]


Pruning

Pruning?


Pruning locations

Pruning Locations


3 cut branch removal

3-Cut Branch Removal


Why do we prune

Why do we prune?

  • Aesthetics

  • Risk Reduction

  • Plant Health

  • Plant Growth Rate

  • Tree structure-Subordinate Pruning


Tree structure

Tree Structure


Full length before

Full length before


Close up before

Close up before


Close up before 2

Close up before 2


2nd cut

2nd Cut


Close up after

Close up after


Close up after1

Close up after


Close up reverse side

Close up reverse side


Full length after

Full length after


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.


Deciduous shrub pruning

Deciduous Shrub Pruning


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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