Deno’s Garden

Iris stenophylla

Genus Iris

Protocol

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 6 months from start to sowing. Then 56 days to germinate.

33% germination in 56 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Juno p. 162Public domain
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Juno (lridaceae). This genus has been separated from Iris, and this separation is adopted here. Germination can extend over periods as long as 4 y and probably more. Treatment with GA-3 has not as yet initiated germination. J. stenophylla.v. allisonii germ. 40-70(1/3 in 8th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Juno p. 162. 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.