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

Cardamine (penduliflora)

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: Brassicaceae
Family Common Name: Mustard family
Scientific Name: Cardamine penduliflora Schulz
Common Name: Willamette Valley bittercress
Species Code: CAPE2
Ecotype: Seeds were collected in Lane Co. near Eugene.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: 6 Weeks
Target Specifications: Root mass filling container.
Propagule Collection: Seed pods quickly turn from green to brown, shattering the seed. Careful monitoring is needed for this species.
Propagule Processing: Seeds were cleaned using and air screen machine.
Pre-Planting Treatments: Seeds were sown into cone-tainers filled with Sunshine #1(a soil-less peat-based media)amended with micro-nutrients (Micromax) and a slow release fertilizer (Osmocote 14-14-14).
Growing Area Preparation/
Annual Practices for Perennial Crops:		 6-week old cone-tainers were transplanted into 3'X4'X1' tubs filled with 6-8" of Sunshine #1 (a soil-less peat-based media) amended with micro-nutrients (Micromax) and a slow release fertilizer (Osmocote 14-14-14). Tub was placed in an outdoor shadehouse.
Establishment Phase: Conetainers were filled with roots within 6-weeks.
Hardening Phase: Plants went dormant by mid summer and re-emerged in early fall.
Other Comments: 90% germination with no treatment, no other germination tests were conducted.

Citation:

Bartow, Amy L. 2006. Propagation protocol for production of Container (plug) Cardamine penduliflora Schulz plants USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/24). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.