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

Penstemon (cardwellii)

Amy Bartow
Seed and Plant Production Manager
USDA NRCS - Corvallis Plant Materials Center
3415 NE Granger Ave
Corvallis, Oregon 97330
(541) 757-4812 ext 103
(541) 757-4733 (fax)
amy.bartow@or.usda.gov
http://plant-materials.nrcs.usda.gov/orpmc
Family Scientific Name: Scrophulariaceae
Family Common Name: figwort
Scientific Name: Penstemon cardwellii
Common Name: Cardwell's beardtongue
Species Code: PECA16
General Distribution: This plant is found primarily in Oregon and Washington.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: Weeks
Target Specifications: Well-developed crowns, roots and rhizomes filling soil profile in container.
Pre-Planting Treatments: We have found that we have the best germination for this plant after 90 days of cool(38F)/moist stratification prior to germination.

Citation:

2015. Propagation protocol for production of Container (plug) Penstemon cardwellii plants USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. 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.