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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

Iris (tenax)

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: Iridaceae
Family Common Name: iris
Scientific Name: Iris tenax
Common Name: toughleaf Iris
Species Code: IRTE
Ecotype: Open areas of mid elevation
General Distribution: Washington, Oregon and California
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: While we still found germination to be low,our (in Corvallis Oregon) best success was found in either natural stratification or 2 weeks warm followed by 90 days of cool/moist stratification.

Citation:

2015. Propagation protocol for production of Container (plug) Iris tenax 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.