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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

Ceanothus (integerrimus)

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

Family Scientific Name: Rhamnaceae
Family Common Name: Buckthorn family
Scientific Name: Ceanothus integerrimus H&A
Common Name: California coastal ceanothus
Species Code: CEAINT
General Distribution: C. integerrimus is found in the coast range of California.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: 0
Propagule Processing: Seeds exhibit physical dormancy. In another study inferred dormancy type is physical and physiological dormancy.
Pre-Planting Treatments: Seeds are placed in cold moist stratification for 60 days.
Germination occurs at 20 to 30 C.
In another study, germination occurred under greenhouse temperatures.
References: Heit, C. E. (1970). Germinative characteristics and optimum testing methods for twelve western shrub species. Proc. Assoc. Offic. Seed Anal. 60, 197-205.
Table 10.35. Quick,1935 Table 10.2 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 J.. 2002. Propagation protocol for production of Container (plug) Ceanothus integerrimus H&A plants University of Kentucky Lexington, Kentucky. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/01). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.