Iris Douglasiana

Douglasiana Iris
Category: .
Plant Type

Perennial

Evergreen-Deciduous

Evergreen

Overall Mature Size

Small

Mature Height & Spread

18″ x 36″

Exposure

Full Sun, partial Shade

Water

Medium, Low Water

Flower Color

Lavender, Blue

Bloom Time

Spring

Special Features

Coastal Conditions, Deer Resistant, Low Water Use, Shade Tolerant

Container Sizes

#1

Natural Growth Habit

Clumping

Sunset Garden Zones

4-9, 14-24

Minimum USDA Hardiness Zone

8A-9B

Iris Douglasiana known as the Douglas Iris is a California native perennial. It’s a vigorous growing plant that forms 18 inch tall by 36 inches wide clumps of arching evergreen leaves. Lavender blue to near white flowers appear in spring on 2 foot tall stems. Most Iris douglasiana are entirely blue. They are best planted in full sun to light shade on the coast and in light shade in the warmer inland areas. They require occasional water.

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