Deno’s Garden

Primula specuicola

Genus Primula

Protocol

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

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

about 6 months from start to sowing. Then 14 days to germinate.

60% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Primula p. 68Public domain
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Primula (Primulaceae). P. specuicola germ. 40-70D(60% in 2nd w) and 70D-40(nohe).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Primula p. 68. 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.