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Eastern Blue-eyed Grass, Bicknell Blue-eyed Grass

Sisyrinchiumatlanticum

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Sisyrinchium atlanticum by Lophophora
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Family
Iridaceae (eye-rid-AY-see-ee)
Info
Genus
Sisyrinchium (sis-ee-RINK-ee-um)
Info
Species
atlanticum (at-LAN-tik-um)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
under 6 in. (15 cm)
Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Danger
N/A
Bloom Color
Medium Blue
Blue-Violet
Lavender
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color

Unknown - Tell us

Where to Grow
Can be grown as an annual
Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details
May be a noxious weed or invasive
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)
Patent Information

Unknown - Tell us

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:

Deland, Florida

Osprey, Florida

Tallahassee, Florida

Savannah, Georgia

Mount Prospect, Illinois

Ijamsville, Maryland

Litchfield, New Hampshire

Elizabeth City, North Carolina

Spring, Texas

Blacksburg, Virginia

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S
S
shortydingus
Tallahassee, FL | May 2009 | positive

Beautiful, low maintenance native plant that is unfazed by Tallahassee's floods and droughts. Makes a wonderful edging plant. Even when...Read More

B
B
ButterflyGardnr
Orlando, FL (Zone 9b) | January 2003 | positive

When in bloom, this plant produces large numbers of blue or white flowers. It will bloom continuously for many days. They form nice, ne...Read More

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