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Idaho Blue-eyed Grass

Sisyrinchiumidahoense

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Sisyrinchium idahoense by kennedyh
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Family
Iridaceae (eye-rid-AY-see-ee)
Info
Genus
Sisyrinchium (sis-ee-RINK-ee-um)
Info
Species
idahoense (eye-duh-ho-EN-see)
Info
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Smooth
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 3b: to -37.2 °C (-35 °F)
Danger

Unknown - Tell us

Bloom Color
Dark Blue
Bloom Time
Mid Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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

Unknown - Tell us

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
Regional

This plant is said to grow outdoors in the following regions:

Wilmington, Delaware

Wilkes Barre, Pennsylvania

Bellingham, Washington

Ferndale, Washington

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6 members have or want this plant for trade

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Gardener's Notes:

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CharlysGardenPl
Ferndale, WA (Zone 8a) | May 2015 | neutral

Have seen one in pot for two summers, forgotten and watered infrequently during August, and made it through a few winter freezes (in the ...Read More

S
S
shortcm
Wilmington, DE (Zone 7b) | August 2004 | negative

Invasive in northern Delaware. I planted this 3 years ago, pulled it out 2 years ago, and am STILL pulling babies, even those with only ...Read More

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