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Transcript of Pruning for South Florida - Broward County, · PDF filePruning for South Florida John J....
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Pruning for South Florida
John J. Pipoly III, Urban Horticulture AgentSandra Granson, Horticulture Technician
Gloria Witkus, Program Assistant UF-IFAS/Broward County Extension Education Division
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PruningDefinition:
The judicious removal of plant parts in order to direct new growth
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Reasons for Pruning
• Size control• Health• Safety• Training• Improve appearance• Influence flowering, fruiting
and/or vigor
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Reason for Pruning
• Can reduce shade• Decrease the danger of
damage in a wind storm• Prevent interference with utility
lines
Pruning can maintain or reduce the size of a tree.
Size Control:
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Reason for Pruning
• Correct pruning can increase light penetration and air circulation
Pruning can help prevent the spread of diseases, insects and in some cases, stem rot.
Health:
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Reason for Pruning
• Wind resistance may also be reduced
• Remove branches with V-shaped crotches
Safety:Removal of dead and hazardous low limbs will increase the safety around the tree.
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Reason for Pruning
• It is easier to shape the branches when a tree is young
• Pruning young trees right will save time and money in the future
Main branches may be trained when the plant is young.
Training Young Plants:
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Reason for Pruning
Improve Appearance:
• Pruning can shape the tree, to accentuate but not alter its natural form
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Reason for Pruning
• Pruning at the right time and place can improve flower quantity which in return improves fruit quantity.
Influence flowering, fruiting and/or vigor:
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What to Prune
• Remove dead, diseased or damaged wood.
• Remove rubbing and interfering branches and water sprouts
• Prune poorly placed branches and narrow “V” crotches (included bark)
• Prune the plant to shaped desired
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Do Not remove more than 1/4 of
the foliage at one time
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When to Prune in South FL
• Trees can be pruned any time in South Florida
• Major pruning in winter when the plants are less actively growing
• Before hurricane season• Flowering trees – after flowering• Fruit trees- after fruiting season
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Safety Rules for Pruning• If you need a ladder, the tree is
too large for you to prune
• If the branch is more than 2 inches in diameter, do not do it.
• Use protective eye wear, protective clothing and gloves
• Make sure your tools are sharp
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Safety Rules for Pruning• Do Not work near power lines or
power sources
• Never use a chain saw
• Stay away from storm damaged trees
• Concentrate on your job
• Know your limits and limits of your tools, when in doubt, call a professional
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• Lion-tailing: Removing all of the inner laterals and foliage. Displacing the foliar weight to the ends of the branches. This causes sunburned bark tissue, watersprouts and branch breakage.
• Crown reduction: This reduces the size of a tree Best accomplished by cutting limbs back to laterals that are at least 1/3 the size of the parent limb. Often referred to as drop-crotch pruning
• Topping or heading back: Cutting of limbs back to a stub, bud or a lateral branch not large enough to assume the terminal role.
Definitions
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• Deadwooding: Removal of dead, weak and dying branches from a tree to eliminate safety hazards
• Crown cleaning: this removes dead, diseased, crowded, weakly attached, low vigor branches and water sprouts from a tree crown
• Crown thinning: Includes crown cleaning as well as selective removal of branches to increase light penetration and air movement into the crown, and to reduce weight.
Definitions
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Lion-tailing
Before After
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Topping or Heading Back
Before After
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Crown Reduction
Before After
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Crown Raising
Before After
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Side Pruning
Before After
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Thinning a Tree
Before After
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Pruning to Change the Shape
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Note the center branches are close
Pruning for Upright
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Note the center branches are more open
Pruning for Spread
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Pruning Overgrown Plants
Before After
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Pruning Grafted Shrubs
Graft
Remove new shoots that start below the graft
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Pruning Shrubs Wrong
Growth pattern after cutGrowth Before
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Pruning Shrubs for a Natural Look
Before Pruning After Pruning
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Pruning a Hedge
Base wider than top increases sun and rain to
the base and thicker foliage
Top wider than base encourages weak growth
secondary to less sun and rain to base
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Broward County Board of County CommissionersJosephus Eggelletion, Jr. ▪ Sue Gunzburger ▪ Kristin D. Jacobs ▪ Ken Keechl
Ilene Lieberman ▪ Stacy Ritter ▪ John E. Rodstrom, Jr. ▪ Diana Wasserman-Rubin ▪ Lois Wexler
This public document was promulgated at a cost of $72.11 or $0.14 (including postage) to inform the public about pruning landscape plants (Revised June 2007)
An Equal Opportunity Institution