Abies lasiocarpa
Subalpine Fir or Rocky Mountain Fir
Family |
Pinaceae |
Genus |
Abies |
Species |
lasiocarpa |
Category |
Woody |
Type |
Tree (evergreen) |
Pronunciation |
USDA Hardiness Zone |
5 |
Canadian Hardiness Zone |
4 - 6a |
RHS Hardiness Zone |
H7 |
Temperature (°C) |
-29 to -23 |
Temperature (°F) |
-20 to -10 |
Height |
20 m |
Spread |
2 m |
Landscape |
This tree is useful as a windbreak. |
Cultivation |
It is very hardy and can handle many different types of soils. It is also a plant that can handle brief periods of drought fairly well, but will not endure such conditions for a long period of time. |
Shape |
It is wide spread but loosely conical in nature. It has a very tight cone shape at the top. |
Growth |
Slow |
ID Characteristic |
It is a large coniferous tree with deep green needles and spreading branches. It also has a tight conical tip. |
Pests |
No specific pests are known for this species. |
Habitat |
This tree grows all along the western coastline in high altitudes, such as the Rocky Mountain Range. It also grows from south Yukon to Idaho. |
Bark/Stem Description |
The bark on young trees is smooth, gray, and with resin blisters, becoming rough and fissured or scaly on old trees. |
Flower/Leaf Bud Description |
Buds are the same basic colour as the bark, and are very large and scaled. |
Leaf Description |
The leaves are flat, needle-like, 1.5 - 3 cm long, glaucous green above with a broad stripe of stomata and two blue-white stomatal bands below; the fresh leaf scars are reddish. They are arranged spirally on the shoot, but with the leaf bases twisted. |
Fruit Description |
The cones are erect, 6 – 12 cm long, dark blackish purple with fine yellow-brown pubescence, ripening brown and disintegrating to release the winged seeds in early autumn. |
Colour Description |
The tree is deep green in colour with similarly coloured flowers. |
Propagation |