Deno’s Garden

Rhodolirium andicola

Genus Rhodolirium

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Germination time not stated; 21 days assumed.

67% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Rhodophiala p. 205Public domain
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Rhodophiala (Amaryllidaceae). Although some species germ.. at 70, the general pattern in this genus is for germination to be best at 40. R. andicola gem. 40(8/12 in 6-low) and 70-40(3/21 in 7-10 w)-70(2/21).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Rhodophiala p. 205. 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.

Protocol 2

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around July 30, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 29, 2026.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    2/21 germinated in this phase.

Steps after step 2 run on after germination.

about 6 months from start to sowing. Then 70 days to germinate.

14% germination in 49–70 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Rhodophiala p. 205Public domain
Show the original text
Rhodophiala (Amaryllidaceae). Although some species germ.. at 70, the general pattern in this genus is for germination to be best at 40. R. andicola gem. 40(8/12 in 6-low) and 70-40(3/21 in 7-10 w)-70(2/21).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Rhodophiala p. 205. 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.