Sisyrinchium angustifolium Lucerne (Blue-Eyed Grass)

Sisyrinchium angustifolium ‘Lucerne’ (Blue-Eyed Grass) is a clump-forming perennial noted for its tuft of narrow grass-like, dark green foliage which gives way to large, bright violet-blue, star-like flowers, 1 in. across (2.5 cm), adorned with yellow centers. Borne atop branched flowering stems, they bloom profusely in late spring and early summer.

Sisyrinchium angustifolium 'Lucerne' (Blue-Eyed Grass) is a clump-forming perennial noted for its tuft of narrow grass-like, dark green foliage which gives way to large, bright violet-blue, star-like flowers, 1 in. across (2.5 cm), adorned with yellow centers. Borne atop branched flowering stems, they bloom profusely in late spring and early summer. This is a charming little plant for accents along paths or walkways, in rockeries or naturalized in cottage gardens. One of the best selections for areas with hot, humid summers.

  • Grows up to 10 in. high (25 cm) and 15 in. wide (37 cm).
  • Performs best in full sun or light shade, in medium moisture, well-drained soils. 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 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.

Requirements

Hardiness 4
– 8

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 10"
(25cm)
Spread 1'
– 2'
(30cm
– 60cm)
Spacing 15″ (37cm)
Water Needs Average
Maintenance Average
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Garden Uses Beds and Borders, Edging, Ground Covers, Patio and Containers
Garden Styles City and Courtyard, Gravel and Rock Garden, Informal and Cottage