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Olsynium douglasii

Is Olsynium douglasii growing in your garden? Record it and all of your plants in Known.

Names

Common Names
Douglas Grass Widow, Purple-Eyed Grass

Growth

Height
8-12 inches
Spread
8-12 inches
Growth Rate
Slow-growing

Appearance

Bloom Color
Purple, red, pink, occasional white
Foliage Color
Foliage color not provided in sources.
Fall Foliage Color
Not specified in sources

Environment

Hardiness Zones
Zones 5a-9b
Sunlight Requirements
Ideally Full Sun to Partial Shade.
Soil Type
Rocky, dry, well-drained soil (xeriscaping/dry rock garden conditions)
Soil Drainage
Dry, well-drained soil
Soil pH
pH not specified in sources

Lifecycle

Lifecycle
Perennial
Leaf Lifecycle
Deciduous
Seasons of Interest
Spring and Summer
Bloom Time
Spring to Summer

Reproduction

Propagation Methods
Seeds, Division

Wildlife

Attracts Wildlife
Attracts bees and other pollinators (early mining bees and various flies); no hummingbirds, butterflies, or birds listed as pollinators

References

Taxonomy

Taxonomic Rank
Species
Author
(A.Dietr.) E.P.Bicknell
Publication
Bull. Torrey Bot. Club 27: 237 (1900)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Asparagales
Family
Iridaceae
Genus
Olsynium

Inferior Taxa

Olsynium douglasii var. inflatum Olsynium douglasii var. douglasii

Synonyms

Olsynium grandiflorum Sisyrinchium douglasii Eriphilema grandiflora Sisyrinchium grandiflorum

References

Taxonomic data from World Flora Online, accessed June 20, 2024