Deno’s Garden

Calydorea pallens

Genus Calydorea

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

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

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 21 days to germinate.

100% germination in 21 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. pallens germ. 70L(6/6 in 3rd w) and 70D-40-70D(1/6 in 2nd w). This latter sample was then shifted to 70L whereupon the remaining 5 germ. in the 2nd w.
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 June 26, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 25, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 9 months from start to sowing. Then 14 days to germinate.

17% germination in 14 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. pallens germ. 70L(6/6 in 3rd w) and 70D-40-70D(1/6 in 2nd w). This latter sample was then shifted to 70L whereupon the remaining 5 germ. in the 2nd w.
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.