This cultivar is also known as 'Carnefix Weeper,' 'Iseli Weeping,' and 'Pendula Idaho'
Pseudotsuga menziesii var. glauca 'Idaho Weeper' is an irregular, pendulous form of Douglas-fir (Rocky Mountain variety). Foliage is Blue-green. Typical rate of growth in most areas is 12 to 20 inches (30 - 50 cm) a year resulting in an impressive amorphous statement in the landscape, 12 feet (3 m) in potentially any and all directions after 10 years in the landscape. Judicious pruning and staking are recommended to properly display this tree.
Warren Carnefix (1912 - 2006), patriarch of Fruitland Nursery, Fruitland, Idaho is credited with this cultivar's origin. He discovered the original plant in the wild of Idaho's Rocky mountains. Iseli nursery of Boring, Oregon introduced it to the nursery trade as 'Carnefix Weeper.' The circumstances surrounding the name change are not known at this time. J.Frank Schmidt nursery, Boring, Oregon, provides this short biography of Warren's life and career.