Mountain & Western Hemlock (Tsuga mertensiana & heterophylla) - HM & HW Below are recommended stocktypes, followed by coded designations, average height and root collar diameter. PRT produces all stocktypes, so please contact your local Customer Support Representative for further options
HM PSB 410 112/80	HM PSB 415B 112/105	HW PSB 410 112/80	HW PSB 412A 77/125	HW PSB 512A 60/220	HW PSB 615A 45/340	HW PBR 0.5+1.5
6S	6	6S	10S	15S	20	Plug Transplant
20 cm	22 cm	20 cm	24 cm	30 cm	35 cm	40 cm
3.2 mm	3.5 mm	3.2 mm	3.8 mm	4.2 mm	5.0 mm	6.0 mm