 7 year old alder planted at 100tpa (left) and 1200tpa (right). Near Darrington, WA. |
 6 year old alder planted at 230tpa (left) and 600tpa (right). Near Forks, WA. |
 13 year old alder planted at 100tpa. Note large branches extending to the ground. Near Sedro Wooley, WA. |
 13 year old alder planted at 230tpa. Note full, large crown. Near Sedro Wooley, WA. |
 100tpa/12 years old. Note brushy, limby tree form. Near Ryderwood, WA. |
 1200tpa/12 years old just thinned to 230tpa. Note straight, clear stem and small limbs. Near Ryderwood, WA. |
 9 year old alder planted at 1200tpa. Note straight stems, small crowns. Near Coombs, BC. |