Deno’s Garden

Symphoricarpos orbiculatus

Genus Symphoricarpos

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around September 15, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 14, 2025.

  1. Clean the flesh off the seed

  2. Leach in running water

    Duration: 7 days

    Washed and cleaned daily for 7 days.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  5. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  6. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    1/13 germinated in this phase.

  7. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    1/13 germinated in this phase.

  8. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  9. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    1/13 germinated in this phase.

  10. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    1/13 germinated in this phase.

Steps after step 8 run on after germination.

about 1.5 years from start to sowing. Germination time not stated; 21 days assumed.

38% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Symphoricarpos p. 218Public domain
Show the original text
Symphoricarpos (Caprifoliaceae). S. orbiculata germ. 40-70-40-70(1/13)- 40(1/13)-70(5/13)-40(1/13)-70(1/13) using fresh seeds WC for 7 d. Seed WC and DS 6 m at 40 germ. 70-40(3/9)-70(1/9)-40(2/9)-70-40. Seeds DS 6 m at 70 were dead.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Symphoricarpos p. 218. 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 High 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. Clean the flesh off the seed

  2. Leach in running water

    Duration: 7 days

    Washed and cleaned daily for 7 days.

  3. Dry storage

    Duration: 180 daysTemperature: 40°F 4°C

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  5. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  6. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    1/9 germinated in this phase.

  7. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    2/9 germinated in this phase.

  8. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  9. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

Steps after step 5 run on after germination.

about 12 months from start to sowing. Germination time not stated; 21 days assumed.

33% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Symphoricarpos p. 218Public domain
Show the original text
Symphoricarpos (Caprifoliaceae). S. orbiculata germ. 40-70-40-70(1/13)- 40(1/13)-70(5/13)-40(1/13)-70(1/13) using fresh seeds WC for 7 d. Seed WC and DS 6 m at 40 germ. 70-40(3/9)-70(1/9)-40(2/9)-70-40. Seeds DS 6 m at 70 were dead.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Symphoricarpos p. 218. 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.