United States Department of Agriculture
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Plant Spacing

Initial plant-to-plant spacing for trees and shrubs will depend on their potential height at 20 years of age. Heights may be estimated based on:

  1. Performance of the individual species--or comparable species--in nearby areas on similar sites, or
  2. Pre-determined and documented heights using Conservation Tree/Shrub Suitability Groups (CTSG), Section II of the Field Office Technical Guide.

Plant spacing or density specifications are:

Plant Spacing Specifications
Plant Types Height (feet) Plant-to-Plant Spacing (feet) Number of Plants per Acre
Shrubs < 10 3 to 6 4,840 to 1,210
Shrubs/Trees 10 to 25 6 to 10 1,210 to 436
Trees > 25 10 to 15 436–194

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Last Modified: 08/20/2008