Deno’s GardenMy Garden

Iris subdecolorata

Faded Iris

Family IridaceaeGenus Iris

A single pale lilac iris flower rising from a fan of curved leaves edged in white, on dark gravelly ground
FlowerMaxim ShashkovCC BY 4.0

About the plant

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

Habit
tuberous geophytePlants of the World Online
Flower
Pale lilacRead from the photograph on this page
Native range
Kazakhstan, UzbekistanGBIF 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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Protocol

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  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 35 days.

20% germination in 35 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Juno p. 162Public domain
Show the original text
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. subdecolorata germ. 70-40(1/5 in 5th 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.

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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