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Western Hemlock
Tsuga heterophylla
  
About Western Hemlock (Tsuga heterophylla) 2 Nurseries Carry This Plant Western Hemlock (Tsuga heterophylla) is a native tree that grows in Central and Northern California, primarily in the North Coast, the Klamath Mountain Range and North Coast Range regions. It is slow growing and long-lived. It grows in a cone-shaped form to a height of 170 feet, with active growth during the spring and summer. Leaves are medium green, and remain on the plant throughout the year. It tends to grow in moist places, at elevations from 0-2300 feet.
Plant Description
Plant Type
Plant Type
Tree

Size
Size
40 - 170 ft tall

Form
Form
Pyramidal

Growth Rate
Growth Rate
Slow

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


Landscaping Information
Sun
Sun
Shade, Part Shade

Moisture
Moisture
Low, Moderate - High,

Nurseries
Nurseries

Ease of Care
Ease of Care
Moderately Easy

Soil Description
Soil Description
Prefers loamy soils

Propagation
Propagation?
For propagating by seed: 3 wks. to 3 mos. stratification. No.treatment may give satisfactory germination (USDA Forest Service 1974).

Sunset Zones
Sunset Zones?
3, 4*, 5*, 6*, 7, 14, 15*, 16*, 17*

Natural Setting
Site Type
Site Type
Moist places

Climate
Climate
Annual Precipitation: 39.2" - 117.4", Summer Precipitation: 0.61" - 4.04", Coldest Month: 39.4" - 47.6", Hottest Month: 56.9" - 70.6", Humidity: 0.01" - 18.79", Elevation: 17" - 4821"


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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