Idaho Blue-eyed Grass
Sisyrinchiumidahoense

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Sisyrinchium (sis-ee-RINK-ee-um)
Species: idahoense (eye-duh-ho-EN-see)

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Herbaceous
Smooth

Foliage Color

Height
6-12 in. (15-30 cm)

Spacing
9-12 in. (22-30 cm)

Hardiness
USDA Zone 3b: to -37.2 °C (-35 °F)

Where to Grow

Danger

Bloom Color
Dark Blue

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting
Allow pods to dry on plant; break open to collect seeds