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White Fir
G. Lumis
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Leaf of White Fir
G. Lumis
|
White Fir
G. Lumis
|
Scientific Name: Abies concolor (Gord. & Glend.) Lindl. ex Hildebr.
Other Common Names: concolor fir, Rocky Mountain white fir, California
white fir (var. lowiana (Gord.))
Summary
Foliage: Needled Evergreen
Height: 35-40 feet
Spread: 15-30 feet
Shape: Pyramidal
Growth Characteristics: Slow- to moderate-growing
The white fir is known as the most beautiful of the firs.
It is also more adaptable than other species such as balsam fir. Its
elegant, symmetrical form with low-weeping branches make it a good
specimen tree. Needles are 1.5-2.5 inches long and vary in colour from
green to rich blue in certain cultivars. Cultivars include 'Violacea', 'Candicans',
'Glenmore', and 'Swift's Silver'.
Plant Needs
Zone: 3-8
Light: Full sun to partial shade
Moisture: Most drought and heat tolerant of firs. Does not tolerate pollution
and urban conditions
Soil Type: well-drained, sandy, acid to alkaline soil
Care
Soil should be amended to improve drainage as white fir performs very
poorly in clayey or wet soil. Pruning should not be necessary except to
promote a single leader. Lower branches should not be pruned as it ruins
the natural form of the tree.
Problems
Can lose needles in alkaline soils. No serious insect or diseases.
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