Olsynium douglasii (A. Deitr.) Bickn. (Sisyrinchium douglasii A. Dietr., S. inflatum [Suksd.] St. John = var. inflatum)
Tufted perennial herb, 15-30 cm tall with greyish-green, grass-like leaves. Flowers are purple with a satiny sheen, up to 4 cm across and very showy. Flowers are terminal above two sheathing leaf-like bracts (one longer than the flower, one shorter) on stems which are flattened but not winged. Small, brown, finely pitted seeds within three-chambered seed capsule to 1 cm long (Pojar and MacKinnon, 1994). Photo by Moralea Milne.
purple blue-eyed grass (var. inflatum); Douglas’ blue-eyed grass (var. douglasii); grass widows
Dry rocky bluffs and meadows, open oak woodlands at low to middle elevations (Pojar and MacKinnon, 1994).
Shallow, mossy soil (Hebda, 1995).
Wet spring soil and dry summer soil (Hebda, 1995).
Sun to light shade
One of the showiest early spring flowers. Wonderful for sunny rock gardens, low border, planter and meadow (S. Bastin personal communication).
fruit ripening time
seed collection time
10 – 20%
fruit seed dormancy treatment
Sow seed in late summer; leave out for cold moist stratification over winter (Hebda, 1995).
Satinflower can be successfully propagated by division. Carefully divide rooted pieces of crown in the fall.
additional info and photos
For more information and pictures, visit the E-Flora BC website at www.eflora.bc.ca.