Deno’s Garden

Calydorea nuda

Genus Calydorea

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty High Rated by us, not by the source.

Start around November 10, 2026 for a May 3 last frost.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    7 germinated in this phase.

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

Steps after step 1 run on after germination.

about 3 months from start to sowing. Then 56 days to germinate.

60% germination in 28–56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Calydorea p. 21Public domain
Show the original text
Calydorea (Iridaceae). Except for C. nuda germ. 70D(60% in 4-8 w)-40(7% in 12th w)-70 and 70L(12% in 8th w). When the sample in 70L was shifted to 70D after 9 w, 76% germ. in 2nd w making a total of 88% germ.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Calydorea p. 21. 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, 1998

Difficulty High Rated by us, not by the source.

Start around February 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 56 days to germinate.

12% germination in 56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Calydorea p. 21Public domain
Show the original text
Calydorea (Iridaceae). Except for C. nuda germ. 70D(60% in 4-8 w)-40(7% in 12th w)-70 and 70L(12% in 8th w). When the sample in 70L was shifted to 70D after 9 w, 76% germ. in 2nd w making a total of 88% germ.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Calydorea p. 21. 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.