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Sisyrinchium idahoense

Idaho Blue-Eyed Grass

Bright blue, star-shaped flowers with gold centers rise above fine, iris-like foliage from March until June. Easy to grow, it's perfect for massing at the front of any border, along a stream or in any moist areas. Clump forming perennial creates cover for small wildlife.

Benefits

Important nectar source for pollinators
Provides good cover for small wildlife
Cardinals and many other songbirds eat the seed
Thrives in moist conditions - perfect for rain gardens
Deer resistant plant that thrives in full sun
Easy to grow and low maintenance

Homeowner Growing and Maintenance Tips

Easy to grow in medium to moist soil in full or partial shade. It can be divided in early spring. It can also spread by seed. 


Height
10-28 Inches

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Spread
10-16 Inches

USDA Hardiness Zone 5-8

Native Range

Moist stream banks and meadows from Washington south into California and east into Montana and New Mexico

Native Trivia

A butterfly house is used to give butterflies a place to roost over the winter. Place a butterfly house in a location with ample cover like near a forested area or bushes where they might normally congregate.


"This little blue flower is a major source of nectar for native bees and other pollinators like me."

Characteristics & Attributes

Plan Sub Group
Medium Perennials
Exposure
Filtered Shade
Morning Sun / Afternoon Shade
Sun
Soil
Well-drained
Wide soil tolerance
Soil Moisture Preference
Average
Moist
Moist but well-drained
Wet
Attracts Wildlife
Beneficial insects
Butterflies
Songbirds
Bloom Time
Late Spring / Early Summer
Summer
Critter Resistance
Deer Resistant
Habitat Collection
Butterfly
Songbird
Wet Sun
Native Habitat
Grassland
Riparian, wetland
Foliage Color
Dark Green
Uses
Accent
Bog, water garden
Border
Container
Edging
Ground cover
Mass plant
Meadow
Naturalizes
Rock garden
Native to
Arizona
California
Colorado
Idaho
Montana
Nevada
New Mexico
Oregon
Utah
Washington
Wyoming