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| Category: Bulb/Tuber/Rhizome etc. |
| Family: Iridaceae (Irises) |
| Origin: California (U.S.A.) |
| Evergreen: Yes |
| Flower Color: Lavender Blue |
| Bloomtime: Spring |
| Height: 1-2 feet |
| Width: 2-3 feet |
| Exposure: Sun or Shade |
| Deer Tolerant: Yes |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: <15° F |
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Iris douglasiana (Douglas Iris) - This California native perennial is a vigorous growing plant that forms 18 inch tall by 36 inch or more wide clumps of arching, evergreen leaves. The lavender-blue to near white flowers appear in spring on 1 to 2 foot tall branched or unbranched stems. Our form is entirely pale blue. Plant in full sun to light shade on the coast and light shade inland with occasional water. It is hardy to <15 degrees F. Has an extensive natural range along the coast from Santa Barbara to Oregon. It was named for David Douglas who collected it around 1830 in Monterey County.
The information on this page is based on research about this plant that is conducted in our nursery library, from online sources, as well as from observations made of this plant as it grows in the nursery, in the nursery's garden and in other gardens where we have observed it. We also incorporate comments received from others and welcome getting feedback from those who may have additional information, particularly if this information includes additional cultural tips that would aid others in growing Iris douglasiana.
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