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Help > Trees > Description of Specification Terms > Root Collar or Stem Diameter or Girth (T4) >
T4.3 Cell grown trees

general - root collar diameter - cell grown trees - seedlings, cuttings & transplants - stem diameter - girth

For Cell grown trees, minimum Root Collar Diameters vary from 4 to 8 mm for Broadleaf trees and 4 to 8 mm for Conifers, depending on overall height and size of cell.