Bluff Country Master Gardener Association<br />“Spring into Gardening” <br />March 6, 2010 <br />Pruning Basics: Shrubs<br />
What’s the difference between a tree and shrub?<br />
Forms<br />Branched-head Standard<br />Single, clear trunk that divides to form open crown<br />Decurrent<br />
Forms<br />Central-leader Standard<br />A single strong trunk persisting all the way through the crown<br />Excurrent<br />
Forms<br />Bush<br />Rounded head on short trunk<br />
Forms<br />Multistemmed<br />Resembling large shrubs with several distinct branches (or trunks) <br />
Forms<br />Fastigate<br />Narrow, columnar in form with upswept branches<br />
Forms<br />Weeping<br />Typically a mutation causing atypical growth<br />Propagated through grafting onto rootstock.<br />
Forms<br />Weeping Standard<br />Often formed by top-grafting a weeping cultivar onto a stock plant with a clear stem<br />
Pruning Techniques<br />3 Point Cut<br />Undercut<br />Stub cut<br />Cut at branch collar<br />Best in dormant season<br />
Pruning Techniques<br />Heading back<br />Cut at lateral branch or bud<br />Hard prune in dormant season<br />Light prune ...
Pruning Techniques<br />Thinning<br />Removal of up to 1/3 of the stems<br />Largest / oldest stems<br />Best in dormant s...
Pruning Techniques<br />Dead heading<br />Heading back cut to bud<br />Removal of spent inflorescences within 2-weeks of f...
Pruning Techniques<br />Renewal<br />Cut back all stems ½ to 1/3  <br />Remove largest stems<br />Hard prune<br />
Pruning Techniques<br />Shearing<br />Removal of the most vigorous shoots<br />Growing season thru late summer<br />Formal...
A<br />B<br />
Mike Maddox<br />Horticulture Educator, Rock County UW-Extension<br />Director of Education, Rotary Botanical Gardens<br /...
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Pruning Basics

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Pruning Basics

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

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