Deno’s Garden

Moraea collina

Genus Moraea

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 9, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 8, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

about 12 months from start to sowing. Then 28 days to germinate.

100% germination in 28 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Homeria p. 38Public domain
Show the original text
Homeria (Iridaceae). In view of the results below, germination.should have been tried at 40. Light had no effect in either species. H. breyniana DS 6 m germ. 70D( 10%)-40(90% in 3rd w). Seeds DS 1 y germ. 40(100% in 4th w) and 70D(10%)-40(90% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Homeria p. 38. 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 Moderate Rated by us, not by the source.

Start around March 21, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 20, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

    10 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 12 months from start to sowing. Then 21 days to germinate.

90% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Homeria p. 38Public domain
Show the original text
Homeria (Iridaceae). In view of the results below, germination.should have been tried at 40. Light had no effect in either species. H. breyniana DS 6 m germ. 70D( 10%)-40(90% in 3rd w). Seeds DS 1 y germ. 40(100% in 4th w) and 70D(10%)-40(90% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Homeria p. 38. 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 3

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around September 24, 2026 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 23, 2025.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

    10 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 1.5 years from start to sowing. Then 14 days to germinate.

90% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Homeria p. 38Public domain
Show the original text
Homeria (Iridaceae). In view of the results below, germination.should have been tried at 40. Light had no effect in either species. H. breyniana DS 6 m germ. 70D( 10%)-40(90% in 3rd w). Seeds DS 1 y germ. 40(100% in 4th w) and 70D(10%)-40(90% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Homeria p. 38. 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.