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Sisyrinchium littorale

Alaska Blue-eyed Grass · Shore Blue-eyed-grass

Family IridaceaeGenus Sisyrinchium

A single deep violet-blue flower with darker veins and a yellow center, among grass
FlowerRandalCC0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
perennialPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
Light blue, deep bluish violetFlora of North America
Native range
Alaska, Aleutian Is., British Columbia, WashingtonGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Protocol

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 3 months from start to step 2. Germination happens during step 2, in 49 days.

95% germination in 49 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Sisyrinchium p. 62Public domain
Show the original text
Sisyrinchium (Iridaceae). , S. littorale germ. 70D-40(95% in 7th w). None germ. in 70L, 40, or 70 GA-3.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Sisyrinchium p. 62. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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