Data specific to Irises (Edit)
Classification: Species
Bloom Color Classification: Cream
Violet
Yellow
Bloom Color Description: Variable, usualy light blue violet to dark purple, also can be white, cream, or yellow

General Plant Information (Edit)
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Wet
Wet Mesic
Mesic
Dry Mesic
Dry
Plant Height: 6 to 28 inches
Flowers: Showy
Bloom Size: 2"-3"
Underground structures: Rhizome
Resistances: Drought tolerant
Propagation: Seeds: Self fertile
Will not come true from seed
Propagation: Other methods: Division
Pollinators: Various insects

Image
Common names
  • Species Iris
  • Pacific Coast Iris
  • Iris
  • California Iris
  • Western Iris
  • Mountain Iris
  • Douglas Iris
Botanical names
  • Accepted: Iris douglasiana
  • Synonym: Iris watsoniana
  • Synonym: Iris beecheyana

Photo Gallery
Location: Orange County, California
Date: 2019-05-11
Growing in semi-shade
Location: California
Date: April 2023
Photo by Iraygus

A possible future introduction?    Lines that Rhyme x Cheddar Che
Photo by Iraygus
Location: Wild PCN iris on our property
Photo by Iraygus
Location: Coastal San Diego County 
Date: 2018-04-28
Location: Fremont, CA
Date: 2002-03-21
I think this is a non hybrid native. I have seen it, or something
Location: Coastal WA 8b
Date: 2023-05-14
Location: PCN iris season has officially started
Location: In my Northern California garden
Date: 2013-04-13
Location: Del Norte County, California
Date: May 26, 2011 8:19 AM
Photo by Iraygus
Photo by Iraygus
Location: Brookings, Oregon
Date: 2014-05-16

Photo courtesy of Curtis Clark, Wikimedia Commons
Location: woods north edge of property, shady
Date: 2019-06-19
volunteer, noticed first time last year
Location: Glide, Oregon
Date: 2016-04-09
Location: California
Date: April 2023
Location: Fremont, CA
Date: 2004-11-07
Notice the new (red) growth. Nov-Dec is best time to divide.
Location: Del Norte County, California
Date: May 26, 2011 8:19 AM
Location: Colony of the native iris on Tomales Point, Point Reyes National Seashore, Marin County, California
Photo courtesy of Stephen Lea, Wikimedia Commons
Location: Douglas's iris (Iris douglasiana) on Butano State Park Gazo's Trail
Date: 2009-05-04
Photo courtesy of: Miguel Vieira
Location: Fremont, CA
Date: 2010-04-15
Given time, they can spread to engulf a large area. This is over
Location: woods north edge of property, shady
Date: 2019-06-19
volunteer, noticed first time last year
Location: Fremont, CA
Date: 2010-07-28
It will take a couple of years to get a new flowering plant.
Location: Fremont, CA
Date: 2005-10-08
Late Fall-I clear dead leaves and wait another month to divide.
Location: woods north edge of property, shady
Date: 2019-06-19
volunteer, noticed first time last year
Location: California coast, at Fort Ross State Historic Park
Photo courtesy of: Babbage
Comments:
  • Posted by Johannian (The Black Hills, SD - Zone 4b) on Jan 9, 2022 6:06 PM concerning plant:
    Range: Coast Ranges from southern Oregon to central California.

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