Description
Pseudotsuga – Douglas Fir –
There are 6-8 species of tall, evergreen, broad pyramidal shape, coniferous tree in this genus. They occur in forest in China, Taiwan, Japan, Western North America and Mexico. It produces linear leaves, with two bands of white on their undersides, arranged radially on the shoots, develop from pointed, many scaled buds that are unique to the genus. They can reach 300′ feet tall but it is rare in cultivation. The female brown cones have protruding, trident shaped bract scales, the male cones are cylindrical and hang downwards and take a year to mature. They are imposing specimen trees. They are major timber trees.
Grow in any well drained, deep soil, non alkaline soil, in full sun. They prefer cold climates
Prone to dieback, brown felt blight, canker, butt rot, lesion, nematode, needle cast, caterpillars, budworm, bark beetle, aphids, scale insects, and weevils.
P. menziesii ‘Fastigiata’ – P. douglasii ‘Fastigiata’ – P. taxifolia ‘Fastigiata’ – Oregon Pine – This fast growing, very upright tree when young, becoming columnar with crowded branches grows 80-300′ feet tall and 20-30′ feet wide. It has smooth, and gray bark at first, thin thick, corky, deeply ridged, and red brown. From branches with the tips curve upwards carry ovoid, sharp pointed, red brown buds open to linear, soft fragrant, grayish green needle like foliage, ½-11 1/4″ long, loosely parted on the shoots, each with 2 white bands beneath. Ovoid-conical female cones, 3-4″ long, with erect bracts are produced only after the plant is 20 years old.
Zones 5-7
