Olsynium douglasii

Scientific name: Olsynium douglasii

Synonym: Sisyrinchium douglasii , Sisyrinchium grandiflorum


Common names: “Satin flower” “Purple-eyed grass” “Widow grass” “Purple rush lily” “Purple snowdrop” “Spring bell”

Plant Type: Herbaceous perennial



Light: Full sun – part shade

Exposure: Sheltered

Soil: Humus rich shallow loam

Moisture: Must have good drainage, moist during spring and winter, dry summer


Plant Size: H 6″-12″ W 6″

Leaf and Stem shape: Slender, upright stems sheathed with grass-like leaves

Flower: 2cm long, nodding, bell-shaped and a rich purple – magenta- pink – white, with a satiny texture in early springgrass widow

Pruning: None

Maintenance: Low

Landscape use: Gravel garden, patio & container plants, rock gardens

Propagate: Naturalize by seed, division not recommended but if necessary take big clumps

Pests & Disease: Not many

Comments: Deep roots, best left undisturbed

~AGM winner


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