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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 (palmeri)

Jim Barner
Seed Extractory Manager
USDA FS - R6 Bend Seed Extractory
63095 Deschutes Market Rd.
Bend, Oregon 97701
541-383-5481
541-383-5498 (fax)
jbarner@fs.fed.us
http://fsweb-ochdes.r6.fs.fed.us/seedextractory/ex
Family Scientific Name: Scrophulariaceae
Family Common Name: Figwort family
Scientific Name: Penstemon palmeri A. Gray palmeri
Common Name: Palmer's penstemon
Species Code: PEPAP9
Ecotype: BLM, Seeds of Success: BLM land, San Juan County, Colorado: 5442 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Small lot, 1.7 pounds, hand collected into paper bag.
Propagule Processing: METHOD OF CLEANING: Seed lot is first processed using a Westrup Model LA-H laboratory brush machine, with a #10 mantel, at medium speed. Seeds are then air-screened using an office Clipper, with a top screen: 1/17 round and a bottom screen: 40 x 40 wire, medium speed, medium to low air. Number of Seeds per Pound: 907,200, Purity: 95%, X-Ray 100 Seeds: 67% Filled
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit
Other Comments: Very small lots present a cleaning and testing challenge, results may not be typical.

Citation:

Barner, Jim. 2009. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Penstemon palmeri A. Gray seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/02/25). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.