Deno’s Garden

Euonymus europaeus

Genus Euonymus

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around June 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 16, 2025.

  1. Clean the flesh off the seed

  2. Leach in running water

    Duration: 7 days

    Washed and cleaned daily for 7 days.

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  4. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  5. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    8 germinated in this phase.

  6. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  7. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  8. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  9. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

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

58% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Euonymus p. 43Public domain
Show the original text
Euonymus (Celastraceae). It had been found that with both E. europaeus seeds WC 7 d in detergent are 70 GA-3-40-70- 40(8%)-70(50%)-40-70(8%), 70-40-70(8%)-40-70-40-70(58%), and 40-70(7%)-40-70- 40-70-40-70-40-70(7%). DS is not tolerated and seeds of
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Euonymus p. 43. 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, 1996

Difficulty High Rated by us, not by the source.

Start around December 14, 2026 for a May 3 last frost. Too late for spring 2027 — that needed starting on December 13, 2025.

  1. Clean the flesh off the seed

  2. Leach in running water

    Duration: 7 days

    Washed and cleaned daily for 7 days.

  3. Gibberellic acid soak

  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

  7. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    8 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

  10. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    8 germinated in this phase.

Steps after step 8 run on after germination.

about 15 months from start to sowing. Germination time not stated; 21 days assumed.

50% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Euonymus p. 43Public domain
Show the original text
Euonymus (Celastraceae). It had been found that with both E. europaeus seeds WC 7 d in detergent are 70 GA-3-40-70- 40(8%)-70(50%)-40-70(8%), 70-40-70(8%)-40-70-40-70(58%), and 40-70(7%)-40-70- 40-70-40-70-40-70(7%). DS is not tolerated and seeds of
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Euonymus p. 43. 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, 1996

Difficulty Very high Rated by us, not by the source.

Start around September 10, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 9, 2026.

  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

  7. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  8. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  9. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  10. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  11. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  12. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    7 germinated in this phase.

Steps after step 4 run on after germination.

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

7% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Euonymus p. 43Public domain
Show the original text
Euonymus (Celastraceae). It had been found that with both E. europaeus seeds WC 7 d in detergent are 70 GA-3-40-70- 40(8%)-70(50%)-40-70(8%), 70-40-70(8%)-40-70-40-70(58%), and 40-70(7%)-40-70- 40-70-40-70-40-70(7%). DS is not tolerated and seeds of
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Euonymus p. 43. 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.