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Tree & Shrub Pruning

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

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  1. Tree & Shrub Pruning Naperville Community Gardens March 5, 2012 Stan Holat Autumn Tree sholat@autumn-savatree.com

  2. Pruning?

  3. Pruning Locations

  4. 3-Cut Branch Removal

  5. Why do we prune? • Aesthetics • Risk Reduction • Plant Health • Plant Growth Rate • Tree structure-Subordinate Pruning

  6. Tree Structure

  7. Full length before

  8. Close up before

  9. Close up before 2

  10. 2nd Cut

  11. Close up after

  12. Close up after

  13. Close up reverse side

  14. Full length after

  15. 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.

  16. Deciduous Shrub Pruning

  17. Shrub Pruning Guidelines • Know your shrubs • Desired form • Arrangement

  18. Know your shrubs • Species • Cultivar/variety • Characteristics • History • Site

  19. Shrub Form • Formal • Natural

  20. Arrangement • Hedge • Foundation • Grouped

  21. Methods of shrub pruning • Shearing/Shaping • Heading • Renewal • Rejuvenation

  22. Shearing/Shaping • Formal • Higher Maintenance • Caution of “dead zone” • Foliage Shell • Insect problems?

  23. Hedge Tapering • Bottoms must be wider than top to allow sunlight to lower branches to keep them green

  24. Heading • Maintain existing form • Thinning and cutting back to laterals

  25. Heading • Heading to maintain size • Heading cut

  26. Renewal Pruning • Stimulates new growth throughout shrub • Remove older stems • Prune out 1/3rd each winter

  27. Rejuvenation • Cut ALL stems low

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