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Help > Conifers > Description of Specification Terms > Root Collar Diameter or Girth (CO4) >
CO4.5 Seedlings and transplants - container grown

general - root collar diameter - cell grown trees - seedlings and transplants (open) - seedlings and transplants (container) - girth

Increasingly coniferous forestry seedlings are grown in cells. However, if they are grown in other, more conventional containers the following root collar diameter grades apply.

Species

Minimum height

Min. root collar diameter

Minimum container size

cm

mm

ml

Picea abies

20

4

100

Pinus nigra maritima

12

2

100

Pseudotsuga menziesii

20

3

100