Sisyrinchium, Blue Eyed Grass 'Lucerne'

Sisyrinchium

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Sisyrinchium (sis-ee-RINK-ee-um)
Synonym
Sisyrinchium angustifolium
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
Spacing
3-6 in. (7-15 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Dark Blue
Bloom Time
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Ornamental Grasses and Bamboo
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Palmer, Alaska

Yorba Linda, California

Newark, Delaware

Oldsmar, Florida

Douglasville, Georgia

Stone Mountain, Georgia

Chicago, Illinois

Lake In The Hills, Illinois

Plainfield, Illinois

Dracut, Massachusetts

Hopkins, Minnesota

Caldwell, New Jersey

Closter, New Jersey

Hilton, New York

Tarrytown, New York

Cincinnati, Ohio

Enid, Oklahoma

Altamont, Oregon

Klamath Falls, Oregon

Pine Grove, Oregon

Portland, Oregon

Salem, Oregon

Quakertown, Pennsylvania

Sumter, South Carolina

Knoxville, Tennessee

Austin, Texas

Denton, Texas

Fate, Texas

Fort Worth, Texas

Gilmer, Texas

Iowa Park, Texas

Lipan, Texas

North Richland Hills, Texas

Spring, Texas

Locust Dale, Virginia

Freeland, Washington

Waterloo, Wisconsin

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Featured Videos

Gardener's Notes:

4
positives
1
neutral
0
negative
Sort By:
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M
Hopkins, MN (Zone 4a) | October 2010 | positive

I use this is as a border plant--it is the perfect size. The pretty little bluish-purple flowers open in the morning and close up later ...Read More

L
Portland, OR | May 2008 | positive

This grassy perennial is a bloom machine. It blooms for months for me with no special care at all. I highly recommend it. No deadheading ...Read More

O
Enid, OK (Zone 7a) | April 2008 | neutral

This is a beautiful little evergreen grass which I planted in 2006 and 2007. It does well in full sun, but does not like too much water....Read More

H
H
Denton, TX | April 2005 | positive

This lovely plant grows all over North Texas meadows. I dug one small plant up and planted it close to my pond were it receives morning s...Read More

R
Newark, DE (Zone 7a) | April 2005 | positive

I first purchased this lovely plant at a native plant sale. I used it to edge part of my driveway. It is one tough cookie! It has done be...Read More

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