Deno’s Garden

Iris darwasica

Genus Iris

Protocol

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 63 days to germinate.

33% germination in 63 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Iris p. 50Public domain
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Iris (Iridaceae). The Aril Iris including Juno have been one of the most difficult groups to germinate. Section VI is devoted to this problem. Alternating cycles means alternating between 3 m at 40 and 3 m at 70 (just a reminder). I. darwasica germ. 1/3 in the 9th w at 40 after 3.5 y of alternating 3 m cycles starting at 70.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Iris p. 50. 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.