RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

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

Rudbeckia (occidentalis)

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

Family Scientific Name: Asteraceae
Family Common Name: Sunflower family
Scientific Name: Rudbeckia occidentalis Nutt.
Common Name: Black head coneflower
Species Code: RUDOCC
General Distribution: R. occidentalis is found in streambanks and woods from the Great Plains to east of the Cascade mountains.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: 0
Propagule Processing: Seeds are non dormant.
Pre-Planting Treatments: Germination occurs at 30D/15N C alternating temperature cycle.
References: McDonough, W. T. (1969). Effective treatments for the induction of germination in mountain rangeland species. Northw. Sci. 43, 18-22.Florez, A. and McDonough, W. T. (1974). Seed germination, and growth and development of Rudbeckia occidentalis Nutt. (western coneflower) on Aspen Ridge in Utah. Amer. Midl. Nat. 91, 160-169.
Table 10.36 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) Rudbeckia occidentalis 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.