Deno’s Garden

Gladiolus kotschyanus

Genus Gladiolus

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around January 11, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 84 days to germinate.

80% germination in 42–84 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Gladiolus p. 149Public domain
Show the original text
Gladiolus (lridaceae). This genus germ. largely at 40. G. kotschyanus germ. 40(80-100% in 6-12w) and 7040(6%)-70(4%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Gladiolus p. 149. 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 Very high Rated by us, not by the source.

Start around December 15, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    4 germinated in this phase.

Steps after step 1 run on after germination.

about 3 months from start to sowing. Germination time not stated; 21 days assumed.

6% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Gladiolus p. 149Public domain
Show the original text
Gladiolus (lridaceae). This genus germ. largely at 40. G. kotschyanus germ. 40(80-100% in 6-12w) and 7040(6%)-70(4%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Gladiolus p. 149. 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.