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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
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Tsuga (heterophylla)

Carol and Jerry Baskin
Professors
University of Kentucky
University of Kentucky
Lexington, Kentucky 40506-0225
seedlings.uidaho.com
Family Scientific Name: Pinaceae
Family Common Name: Pine family
Scientific Name: Tsuga heterophylla (Raf.) Sarg.
Common Name: Western hemlock
Species Code: TSUHET
General Distribution: T. heterophylla is found from Alaska to northern California, and east to Idaho and western Montana.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: 0
Propagule Processing: Seed dormancy is physiological dormancy.
Pre-Planting Treatments: Seeds are placed in cold moist stratification for 0 to 84 days.
Germination occurs at 20 C.
References: Edwards, D. G. W. (1973). Effects of stratification on western hemlock germination. Can J. For. Res. 3, 522-527.
Edwards, D. G. W. and Olsen, P. E. (1973). A photoperiod response in germination of western hemlock seeds. Can J. For. Res. 3, 146-148.
Table 10.35 In: Baskin, C.J. and Baskin, J.M. Seeds: Ecology, Biogeography and Evolution in Dormancy and Germination, Academic Press, 1998. Chapter 10: A Geographical Perspective on Germination Ecology: Temperate and Arctic Zones, pages 331 to 458.

Citation:

Baskin, Jerry M.; Baskin, Carol C.. 2002. Propagation protocol for production of Container (plug) Tsuga heterophylla (Raf.) Sarg. plants University of Kentucky Lexington, Kentucky. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/19). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.