Iris douglasiana
SPECIMEN · FROM THE LIBRARY
Iris douglasiana

Iris Douglasiana

Updated · 332 observations
ON THIS PLANT

Iris douglasiana, commonly known as Douglas iris, is a perennial plant species native to the Pacific Northwest region of North America. A member of the iris family, this plant typically grows to about 1-2 feet tall. It produces striking flowers that are usually blue or purple, adorned with distinctive yellow markings on their petals. These flowers bloom in late spring or early summer and are pollinated by bees and other insects.

Douglas iris thrives in moist, well-drained soils and prefers partially shaded areas such as woodland edges or meadows. It can tolerate full sun if provided with sufficient moisture. The plant spreads by rhizomes (underground stems), which can form large clumps over time.

Besides its ornamental value, Douglas iris has been used for medicinal purposes by indigenous peoples for centuries. The roots were traditionally used to treat various ailments, including headaches, toothaches, and skin irritations.

Overall, Iris douglasiana is a beautiful native plant that adds color and interest to gardens while providing ecological benefits for pollinators like bees.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Iris
Family
Iridaceae
Hardiness Zone
6-9
Mature Height
15 cm to 91 cm
Mature Spread
49 cm
Leaf Color
Green, Blue
Leaf Type
Evergreen
Flower Color
Purple, Lavender, Blue
Flower Size
7.62 cm
Bloom Time
Spring
Planting Time
Spring
Harvest Time
Summer
Native Area
Europe, Asia, North America
ALSO KNOWN AS

Other names.

en Marin iris en Pacific Coast iris en Mountain iris en Douglas iris
PLATES
Iris douglasiana leaf
PLATE 01 · leaf
Iris douglasiana leaf
PLATE 02 · leaf
Iris douglasiana flower
PLATE 03 · flower
Iris douglasiana flower
PLATE 04 · flower
Iris douglasiana fruit
PLATE 05 · fruit
Iris douglasiana habit
PLATE 06 · habit
ALSO IN THE LIBRARY

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