Plant Selection and Installation
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Plant Selection and Installation

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Plant Selection and Installation




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Presentation on theme: "Plant Selection and Installation"— Presentation transcript:

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Plant Selection and Installation

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Describe the factors involved in selecting appropriate landscape plants.Explain the general guidelines for purchasing healthy landscape plants.Compare and contrast the planting procedures for balled-and-burlapped vs. container-grown plants.Diagram how to stake a newly planted tree.

Learning Objectives

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TreesSizeLarge (>45 ft.)Medium (30-45 ft.)Small (10-30 ft.)Shade Rooting characteristicsInvasiveSurface rootsShrubs

Choosing Trees and Shrubs

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Small-space treesAmur mapleJapanese mapleEastern redbudKousa dogwoodKwanzan cherryJapanese tree lilac

Plant Selection

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Trees with invasive roots:Silver mapleWillowPoplarAlderSweet gum

Tree Roots

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Local garden centers Sell plants grown by wholesale nurseriesRetail nurseries Grow some of the plants they sell, and may offer landscape design and installation servicesMail-order catalogs May offer plants not available locally

Sources of Landscape Plants

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Tree health Tree sizeTree type

Select Healthy Stock

Root system, root ball, or container spread should be 10 to 12 inches for every inch of stem diameter.

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Inexpensive and light weightBest when youngShould have a caliper of <2 inchesPlant when dormant before buds begin to swell Soak roots in water for up to 24 hours before planting.

Tree Type: Bare-Root

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Both fine and coarse roots are included Less transplant shockHandle root ball gently to avoid disturbing root contact with soilWatch for buried root collars:Avoid buying trees with more than 4 inches of soil over the root collar.

Tree Type: Balled-and-Burlapped

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Round pots can cause circling roots cut or straighten at time of planting.Should be well rooted but not root-bound.Avoid trees grown bare-root but recently potted for sale.

Tree Type: Containerized

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Root Bound

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Keep trees and shrubs shaded, cool, and moist before planting.Remove all labels/wires from the stem.Point tops of plants away from afternoon sun if they must be stored in the open.

Pre-Planting Care

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Tree Roots Grow Laterally

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Remove wire baskets, pots, etc.Cut away the burlap from top and sides of root ball

Planting Depth

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What NOT To Do…

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Bare-root

trees need staking to anchor.Staking should allow for trunk flexing in the wind.Trees allowed to move with the wind develop reaction wood.Remove after 1-2 seasons.

Staking New Trees

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Deep, thorough watering is key.Sprinkler systems for lawn offer only shallow watering.Place a hose at the tree base for 15 minutes.Mulch around the base to prevent evaporation.

Irrigating New Trees

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Plant shallow using backfill soil mounded to cover root systemInstall subsurface tile drains to carry water away from roots

Dealing with Poor Drainage

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The most important aspect of landscape tree selection is tree ______________.A common problem with balled-and-burlapped trees is buried root __________.Bare-root trees should be planted in which season?The planting hole should be _________ times ___________ than the root ball.T or F –All newly planted trees should be staked.

Review Questions