Deno’s Garden

Frasera fastigiata

Genus Frasera

Protocol

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  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

    20 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

    2 germinated in this phase.

Steps after step 7 run on after germination.

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

38% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Frasera p. 44Public domain
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Frasera (Gentianaceae). F. fastigiata was still showing an occasional germination two years after starting the expts. Data were 70-40-70-40-70(20% in 1-3 w)-40-70(38% in 2nd w)-40-70(2%).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Frasera p. 44. 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.