Iris (douglasiana)
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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 |
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| Family Scientific Name: | Iridaceae | ||
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| Family Common Name: | iris | ||
| Scientific Name: | Iris douglasiana | ||
| Common Name: | Douglas iris | ||
| Species Code: | IRDO | ||
| Ecotype: | typical to lower elevations; costal grassland areas | ||
| General Distribution: | 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: | We (in Corvallis Oregon) had our best success, although still relatively low, with outdoor stratification or 80 days of cool/moist stratification in our cooler (38F). The seeds may need to be briefly frozen in order to completely break dormancy. | ||
Citation:
2015. Propagation protocol for production of Container (plug) Iris douglasiana plants USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/11/13). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.
