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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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Ceanothus (oliganthus)

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 oliganthus Nutt.
Common Synonym: Ceanothus divaricatus Nutt.
Common Name: Hairy ceanothus
Species Code: CEAOLI
General Distribution: C. oliganthus is found within mattoral vegetation association 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 germinate at 23 C. Germination was greater in dark than light.
In Quick's study germination occurred under greenhouse temperatures.
In Wright's study, seeds are treated with dry heat at 116 C for 5 minutes for germination.
References: Quick, C. R. (1935). Notes on the germination of Ceanothus seeds. Madrono 3, 135-140.
Wright,1931. In: Baskin, C. and Baskin, J. Table 10.2 Chapter 10. Seeds: Ecology, Biogeography and Evolution of Dormancy and Germination. Academic Press, 1998. 666 pages.

Citation:

Baskin, Jerry M.; Baskin, Carol J.. 2002. Propagation protocol for production of Container (plug) Ceanothus oliganthus Nutt. 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.