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Tree & Shrub Pruning. Naperville Community Gardens March 5, 2012 Stan Holat Autumn Tree sholat@autumn-savatree.com. 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 Naperville Community Gardens March 5, 2012 Stan Holat Autumn Tree sholat@autumn-savatree.com
Why do we prune? • Aesthetics • Risk Reduction • Plant Health • Plant Growth Rate • Tree structure-Subordinate Pruning
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 • Know your shrubs • Desired form • Arrangement
Know your shrubs • Species • Cultivar/variety • Characteristics • History • Site
Shrub Form • Formal • Natural
Arrangement • Hedge • Foundation • Grouped
Methods of shrub pruning • Shearing/Shaping • Heading • Renewal • Rejuvenation
Shearing/Shaping • Formal • Higher Maintenance • Caution of “dead zone” • Foliage Shell • Insect problems?
Hedge Tapering • Bottoms must be wider than top to allow sunlight to lower branches to keep them green
Heading • Maintain existing form • Thinning and cutting back to laterals
Heading • Heading to maintain size • Heading cut
Renewal Pruning • Stimulates new growth throughout shrub • Remove older stems • Prune out 1/3rd each winter
Rejuvenation • Cut ALL stems low