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Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
Pruning Basics
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Pruning Basics

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Transcript

  • 1. Bluff Country Master Gardener Association
    “Spring into Gardening”
    March 6, 2010
    Pruning Basics: Shrubs
  • 2. What’s the difference between a tree and shrub?
  • 3. Forms
    Branched-head Standard
    Single, clear trunk that divides to form open crown
    Decurrent
  • 4.
  • 5.
  • 6.
  • 7. Forms
    Central-leader Standard
    A single strong trunk persisting all the way through the crown
    Excurrent
  • 8.
  • 9.
  • 10.
  • 11. Forms
    Bush
    Rounded head on short trunk
  • 12.
  • 13.
  • 14. Forms
    Multistemmed
    Resembling large shrubs with several distinct branches (or trunks)
  • 15.
  • 16.
  • 17. Forms
    Fastigate
    Narrow, columnar in form with upswept branches
  • 18.
  • 19.
  • 20. Forms
    Weeping
    Typically a mutation causing atypical growth
    Propagated through grafting onto rootstock.
  • 21.
  • 22.
  • 23. Forms
    Weeping Standard
    Often formed by top-grafting a weeping cultivar onto a stock plant with a clear stem
  • 24.
  • 25.
  • 26. Pruning Techniques
    3 Point Cut
    Undercut
    Stub cut
    Cut at branch collar
    Best in dormant season
  • 27. Pruning Techniques
    Heading back
    Cut at lateral branch or bud
    Hard prune in dormant season
    Light prune thru mid-Summer
  • 28.
  • 29. Pruning Techniques
    Thinning
    Removal of up to 1/3 of the stems
    Largest / oldest stems
    Best in dormant season
  • 30.
  • 31. Pruning Techniques
    Dead heading
    Heading back cut to bud
    Removal of spent inflorescences within 2-weeks of flower-fade
    Plants that bloom on wood from previous season
    Spring blooming woody ornamentals
  • 32.
  • 33. Pruning Techniques
    Renewal
    Cut back all stems ½ to 1/3
    Remove largest stems
    Hard prune
  • 34.
  • 35.
  • 36. Pruning Techniques
    Shearing
    Removal of the most vigorous shoots
    Growing season thru late summer
    Formal appearance
  • 37.
  • 38.
  • 39.
  • 40.
  • 41.
  • 42. A
    B
  • 43.
  • 44.
  • 45.
  • 46.
  • 47. Mike Maddox
    Horticulture Educator, Rock County UW-Extension
    Director of Education, Rotary Botanical Gardens
    Thank You!

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