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Bigcone Douglas Fir
Pseudotsuga macrocarpa
  
About Bigcone Douglas Fir (Pseudotsuga macrocarpa) 0 Nurseries Carry This Plant The Bigcone Douglas-fir (Pseudotsuga macrocarpa) is an evergreen conifer native to the mountains of southern California, occurring from the San Rafael Mountains in central Santa Barbara County and the southwest of the Tehachapi Mountains of southwestern Kern County, south to Julian in San Diego County. It is notable for having the largest (by far) cones in its genus, hence the name. Bigcone Douglas-fir typically grows from 15-30 meter (50-100 feet) in height and 0.5-1.5 meter (2-5 feet) in trunk diameter. The growth form is straight, with a conical crown from 12-30 meter (40-100 feet) broad, and a strong and spreading root system. The bark is deeply ridged, composed of thin, woodlike plates separating heavy layers of cork; bark of trees over 1 meter (3 feet) in diameter is from 15-20 centimeter (6-8 inches) thick. The main branches are long and spreading with pendulous side shoots.
Plant Description
Plant Type
Plant Type
Tree

Size
Size
24 - 144 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Dormancy
Dormancy
Evergreen

Flower Color
Flower Color
Yellow

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


 
Butterflies & moths hosted ( 1 confirmed , 47 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Full Sun, Part Shade

Moisture
Moisture
Very Low

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. No treatment may give satisfactory germination.

Sunset Zones
Sunset Zones?
2, 3*, 4*, 5*, 6*, 7*, 8, 9, 10*, 11, 14*, 15*, 16*, 17*, 18*, 19, 20*, 21*, 22*, 23*

Natural Setting
Site Type
Site Type
Slopes

Climate
Climate
Annual Precipitation: 7.4" - 49.8", Summer Precipitation: 0.17" - 2.66", Coldest Month: 33.4" - 54.5", Hottest Month: 53.4" - 79.3", Humidity: 1.43" - 27.66", Elevation: 36" - 10045"

Alternative Names
Common Names: Bigcone Douglas-fir, Bigcone Spruce


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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