Deno’s Garden

Iris typhifolia

Genus Iris

Protocol

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 22 days to germinate.

88% germination in 12–22 days.

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. typhifolia germ. 70L(7/8 in 12-22 d) and 70D(none).
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.