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Sisyrinchium angustifolium

Family Iridaceae
Plant Type herbaceous perennial
Zone USDA:   4a - 9b   RHS:   H - FH   EGF:   H1 - H5   Australia:   1 - 3  
Care Level medium
Height 15 - 60 cm (0.5 - 2 ft)
Spread 15 - 30 cm (6 - 12 in)
Light full sun
Soil Moisture average, well-drained
Soil Type loam
Soil pH neutral to alkaline

Description The herbaceous perennial Sisyrinchium angustifolium (blue-eyed grass) bears showy and bright yellow blooms during late spring to early summer. The matte foliage is medium green in colour and fine in texture.
Typical Uses Alpine or rock garden, border, cut flowers, edging, ground cover and wild flower.
Cautions Where conditions are favourable, Sisyrinchium angustifolium (blue-eyed grass) can be invasive and may require maintenance to keep it under control. This plant is self-sowing and may spread broadly and randomly.