Deno’s Garden

Actaea racemosa

Genus Actaea

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around May 22, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on May 21, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 9 months from start to sowing. Then 49 days to germinate.

100% germination in 35–49 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cimicifuga p. 118Public domain
Show the original text
Cimicifuga. (Ranunculaceae). C. racemosa germ. best with DS seed in 70- 40(100% in 5th w) for seed DS 6 m at 70, 70-40(90% in 5-8 w) for seed DS 6 m at 40, and 70-40(15%)-70-40(85% in 4th w) for fresh seed. An initial 3 m at 40 had little effect as shown by 40-70-40(100% in 5-7w) for fresh or DS seed. Radicle development is complete at 40, but the two cotyledons do not develop until the temperature shift to 70. Curiously all seed rotted in outdoor treatment, and most rolled in GA-3 treatment.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cimicifuga p. 118. 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 Moderate Rated by us, not by the source.

Start around March 7, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 6, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 12 months from start to sowing. Then 35 days to germinate.

100% germination in 35 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cimicifuga p. 118Public domain
Show the original text
Cimicifuga. (Ranunculaceae). C. racemosa germ. best with DS seed in 70- 40(100% in 5th w) for seed DS 6 m at 70, 70-40(90% in 5-8 w) for seed DS 6 m at 40, and 70-40(15%)-70-40(85% in 4th w) for fresh seed. An initial 3 m at 40 had little effect as shown by 40-70-40(100% in 5-7w) for fresh or DS seed. Radicle development is complete at 40, but the two cotyledons do not develop until the temperature shift to 70. Curiously all seed rotted in outdoor treatment, and most rolled in GA-3 treatment.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cimicifuga p. 118. 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, 1993

Difficulty Moderate Rated by us, not by the source.

Start around February 14, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 13, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 12 months from start to sowing. Then 56 days to germinate.

90% germination in 35–56 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cimicifuga p. 118Public domain
Show the original text
Cimicifuga. (Ranunculaceae). C. racemosa germ. best with DS seed in 70- 40(100% in 5th w) for seed DS 6 m at 70, 70-40(90% in 5-8 w) for seed DS 6 m at 40, and 70-40(15%)-70-40(85% in 4th w) for fresh seed. An initial 3 m at 40 had little effect as shown by 40-70-40(100% in 5-7w) for fresh or DS seed. Radicle development is complete at 40, but the two cotyledons do not develop until the temperature shift to 70. Curiously all seed rotted in outdoor treatment, and most rolled in GA-3 treatment.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cimicifuga p. 118. 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 4

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around March 14, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 13, 2026.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    15 germinated in this phase.

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  4. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

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

85% germination in 28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cimicifuga p. 118Public domain
Show the original text
Cimicifuga. (Ranunculaceae). C. racemosa germ. best with DS seed in 70- 40(100% in 5th w) for seed DS 6 m at 70, 70-40(90% in 5-8 w) for seed DS 6 m at 40, and 70-40(15%)-70-40(85% in 4th w) for fresh seed. An initial 3 m at 40 had little effect as shown by 40-70-40(100% in 5-7w) for fresh or DS seed. Radicle development is complete at 40, but the two cotyledons do not develop until the temperature shift to 70. Curiously all seed rotted in outdoor treatment, and most rolled in GA-3 treatment.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cimicifuga p. 118. 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.