Plant Selection and Installation
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Plant Selection and Installation

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Plant Selection and Installation

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Plant Selection and Installation


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


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

Choosing Trees and Shrubs


Small-space treesAmur mapleJapanese mapleEastern redbudKousa dogwoodKwanzan cherryJapanese tree lilac

Plant Selection


Trees with invasive roots:Silver mapleWillowPoplarAlderSweet gum

Tree Roots


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


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.


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


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


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


Root Bound


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


Tree Roots Grow Laterally


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

Planting Depth


What NOT To Do…



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


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


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

Dealing with Poor Drainage


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