Rocky Mountain Fir
Native to (or naturalized in) Oregon:
- Conifer, evergreen, medium size to large trees, up to 100 ft (30 m) high, crown narrow, dense, branches short drooping. Leaves grayish-green to light bluish-green, crowded, curving upward on upper twigs, sometimes 2-ranked, 25-40 mm long, flat, stomatal lines on both surfaces. Cones erect, barrel shaped, 4-10 cm long, grayish-brown, resinous.
- Sun or partial shade. Often loses its picturesque shape in low land gardens. Best if grown in a cool, moist situation in the Pacific Northwest.
- Hardy to USDA Zone 4 Native range extends from the Yukon of Canada and Alaska southeast to southern New Mexico. A high-altitude species, most common near the timberline, uncommon near the Pacific Coast. (A. l. var. arizonica (Cork Fir) is a medium-sized to small tree that has creamy white, corky bark, native to mountains of Arizona.) A few cultivars, 'Compacta' (syn.? 'Arizonica Compacta') being the most common.
- lasiocarpa: with rough cones.
- Portland, Oregon: Hoyt Arboretum.