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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.

 
NPN Protocol Details Image

Penstemon (humilis)

Carol and Jerry Baskin
Professors
University of Kentucky
University of Kentucky
Lexington, Kentucky 40506-0225
seedlings.uidaho.com

Family Scientific Name: Scrophulariaceae
Family Common Name: Figwort family
Scientific Name: Penstemon humilis Nutt. ex Gray
Common Name: Low penstemon
Species Code: PENHUM
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 stratification.
Germination occurs at 2 C.
References: Kitchen, S. G. and Meyer, S. E. (1991). Seed germination of intermountain Penstemons as influenced by stratification and GA3 treatments. J. Env. Hort. 9, 51-56.
Table 10.28 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) Penstemon humilis Nutt. ex Gray plants University of Kentucky Lexington, Kentucky. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/02). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.