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Grand Fir
Abies grandis
  
About Grand Fir (Abies grandis) 2 Nurseries Carry This Plant Abies grandis (Grand Fir, Giant Fir, Lowland White Fir, Great Silver Fir, Western White Fir, Vancouver Fir, or Oregon Fir) is a fir native to the Pacific Northwest of North America, occurring at altitudes of sea level to 1,800 meter. It is a large evergreen coniferous tree growing to 40-70 meter (exceptionally 80 meter) tall and with a trunk diameter of up to 2 meter. The leaves are needle-like, flattened, and grow in a single flat plane, 3-6 centimeter long and 2 millimeter wide by 0.5 millimeter thick, slightly notched at the tip. The leave color is glossy dark green above, and green-white below. The leaf arrangement is spiral on the shoot, but with each leaf variably twisted at the base so they all lie in two more-or-less flat ranks on either side of the shoot. The cones are 6-12 centimeter long and 3.5-4.5 centimeter broad, with about 100-150 scales. The winged seeds are released when the cones disintegrate at maturity about 6 months after pollination.
Plant Description
Plant Type
Plant Type
Tree

Size
Size
25 - 240 ft tall

Form
Form
Pyramidal

Growth Rate
Growth Rate
Moderate

Dormancy
Dormancy
Evergreen

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


Landscaping Information
Sun
Sun
Shade, Part Shade

Nurseries
Nurseries

Ease of Care
Ease of Care
Moderately Easy

Soil Description
Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Propagation
Propagation?
For propagating by seed: 1 mo. stratification; for small lots of seeds, scarification may give better results. No treatment can also give good results (USDA Forest Service 1974).

Sunset Zones
Sunset Zones?
2, 3, 4*, 5*, 6*, 7*, 14, 15*, 16*, 17*, 18, 19, 20, 21, 22, 23, 24

Natural Setting
Climate
Climate
Annual Precipitation: 22.1" - 118.8", Summer Precipitation: 0.29" - 4.04", Coldest Month: 10.5" - 50.8", Hottest Month: 33.8" - 73.2", Humidity: 0.01" - 24.00", Elevation: 11" - 14090"

Alternative Names
Common Names: Giant Fir, Great Silver Fir, Lowland White Fir, Oregon Fir, Vancouver Fir, Western White Fir


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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