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NPN Protocol Details Image

Iris (douglasiana)

Betty Young
Nurseries Sr Manager
Bldg 201, Fort Mason
San Francisco, California 94123
415-331-6917
415-331-7521 (fax)
byoung@ggnpa.org

Family Scientific Name: Iridaceae
Family Common Name: Iris Family
Scientific Name: Iris douglasiana Herbert
Common Synonym: Iris douglasiana Herbert oregonensis
Common Name: Douglas Iris
Species Code: IRIDOU
Ecotype: Marin County, California
General Distribution: I. douglasiana is found on grassy slopoes and open places; from Oregon to Santa Barbara County, California.
Propagation Goal: plants
Propagation Method: vegetative
ProductType: Container (plug)
Stock Type: 1 gallon (3L)
Time To Grow: 0
Target Specifications: Height: N/A<br> Caliper: N/A<br> Root System: Firm plug in container.
Propagule Collection: Rhizome divisions are collected in the fall.
Propagule Processing: Rhizomes are collected from field plants.
Pre-Planting Treatments: Rhizomes are cut into pieces and diractly potted into 1 gallon cans.
Growing Area Preparation/
Annual Practices for Perennial Crops:
Shadehouse.
Establishment Phase: 1 gallon cans are filled with standard potting mix of peat moss, fir bark, perlite, and sand.
Cans are placed in the shadehouse.
Transplant Survival averages 75%.
References: A California Flora and Supplement, Munz, P., University of California Press, Berkeley and London, 1973.

Citation:

Young, Betty. 2001. Propagation protocol for production of Container (plug) Iris douglasiana Herbert plants 1 gallon (3L); San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/23). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.