Taxonomy
| Clade | gymnosperm |
|---|
| Family | Pinaceae |
|---|
| Genus | Abies |
|---|
| Species | concolor |
|---|
| Common Name | white fir, concolor fir |
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| iTree Code | ABCO |
|---|
Plant Form
| Form | Tree: full, pyramidal crown |
|---|
| Height | 100 feet |
|---|
| Spread | 30 feet |
|---|
| Deciduous | Yes |
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Identification Description
| Foliage | blue-green needles, singly attached via a "suction cup" to the twig, curved upward on twig, citrus odor when crushed |
Leaf Type
 |
Needle |
|---|
| Needles | 1 |
|---|
| Bark | gray, smooth with few resinous blister; becoming deeply, irregularly ridged with age |
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| Bud | light brown, conical, blunt, and resinous |
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| Twig | yellow/green on current year, then gray/brown |
|---|
| Pollen Cone | male red/violet with male and female on the same tree (monoecious) |
|---|
| Seed Cone | cone: light pale green to brown during maturation; 3-6" long, 1.5-1.75" wide, cylinder shaped; upright on the stem; deciduous scale leaving a peg; male and female on the same tree (monoecious) |
|---|
| Fall Color | blue-green |
|---|
Site Characteristics
| USDA Zones
|
pH Levels | Salt Tolerance |
| Min | 3a |
Min | 5.5 |
Soil | Intolerant |
| Max | 9b |
Max | 7.8 |
Spray | Intolerant |
| Shade Tolerance | Drought Tolerance | Allelopathy |
| Intermediate |
Moderate |
No |
