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Native Utah Plants

Idaho Blue-eyed Grass

Idaho Blue-eyed Grass

Sisyrinchium idahoense

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Idaho Blue-eyed Grass (Sisyrinchium idahoense) is a charming addition to gardens, offering delicate blue-violet flowers that brighten up spaces from late spring to mid-summer. Despite its name, it's not a true grass but a member of the iris family, forming neat clumps of slender, grass-like leaves.

This plant thrives in moist soils during spring but is adaptable enough to withstand drier summer conditions once established. Its modest size makes it ideal for borders, rock gardens, or as a companion in wildflower meadows. Beyond its aesthetic appeal, it supports local pollinators, making it both a beautiful and beneficial choice for gardeners aiming to enhance biodiversity in their landscapes.

Plant Profile

Scientific name: Sisyrinchium idahoense

Duration: Perennial

Native region: Wasatch Mountains, Wasatch Front Valley, and Southern Utah

Native elevation: 2000-7500 ft

Water requirement: Low - Medium

Drought tolerance: Medium

Light requirement: Full sun and Partial shade

Shade tolerance: Medium

Mature size: 12-24" H by 6-12" W

Bloom time: May - July

Flower color: Blue and Purple

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