Sisyrinchium angustifolium (Blue-Eyed Grass)
Blue-Eyed Grass, Grass Flower, Narrowleaf Blue-Eyed Grass, Narrow-Leaf Blue-Eyed-grass, Bermuda Blue-Eyed Grass, Sisyrinchium bermudiana, Sisyrinchium graminoides
Sisyrinchium angustifolium (Blue-Eyed Grass) is a clump-forming, semi-evergreen perennial noted for its dense tuft of narrow grass-like, light-green leaves and its clusters of delicate, violet-blue, star-shaped flowers, 0.5 in. across (1 cm), adorned with yellow centers. Borne atop flattened flowering stems, they bloom profusely in late spring and early summer. Blue-Eyed Grass is a terrific plant for accents along paths or walkways, in rockeries or naturalized in cottage gardens.
- Grows up to 18-24 in. high (45-60 cm) and 6-12 in. wide (15-30 cm).
- Performs best in full sun or light shade, in medium moisture, well-drained soils. This perennial will decline if allowed to dry out. Protect from excessive winter wet.
- Ideal addition to borders, city gardens, cottage gardens or rock gardens. Great for edging or as a groundcover.
- Propagate by division in spring
- Will freely self-seed under satisfying growing conditions. Shear back after flowering to prevent undesired self-seeding.
- Benefits from regular division, every 2-3 years, to maintain vigor.
- Native to North America
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Requirements
| Hardiness | 4
– 11 |
|---|---|
| Heat Zones | 5
– 8 |
| Climate Zones | 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Perennials |
| Plant Family | Sisyrinchium |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Spring (Late) Summer (Early) |
| Height | 1' – 2' (30cm – 60cm) |
| Spread | 6" – 1' (15cm – 30cm) |
| Spacing | 12" (30cm) |
| Water Needs | Average |
| Maintenance | Average |
| Soil Type | Chalk, Loam, Sand |
| Soil pH | Acid, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Showy, Semi-Evergreen |
| Native Plants | United States, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Ohio, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Southeast, Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, Southwest, Oklahoma, Texas |
| Garden Uses | Beds and Borders, Edging, Ground Covers, Patio and Containers |
| Garden Styles | City and Courtyard, Gravel and Rock Garden, Informal and Cottage |
Alternative Plants to Consider
Recommended Companion Plants
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While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
| Hardiness | 4
– 11 |
|---|---|
| Heat Zones | 5
– 8 |
| Climate Zones | 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Perennials |
| Plant Family | Sisyrinchium |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Spring (Late) Summer (Early) |
| Height | 1' – 2' (30cm – 60cm) |
| Spread | 6" – 1' (15cm – 30cm) |
| Spacing | 12" (30cm) |
| Water Needs | Average |
| Maintenance | Average |
| Soil Type | Chalk, Loam, Sand |
| Soil pH | Acid, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Showy, Semi-Evergreen |
| Native Plants | United States, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Ohio, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Southeast, Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, Southwest, Oklahoma, Texas |
| Garden Uses | Beds and Borders, Edging, Ground Covers, Patio and Containers |
| Garden Styles | City and Courtyard, Gravel and Rock Garden, Informal and Cottage |
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