Deno’s Garden

Primula mistassinica

Genus Primula

Protocol

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

  1. Dry storage

    Duration: 180 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

about 12 months from start to sowing. Then 10 days to germinate.

43% germination in 6–10 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Primula p. 197Public domain
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Primula. (Primulaceae). The discovery of a photorequirement in P. intercedens (F) is another farinosa variant. The best germination was with seed DS 6 m at 70 in 40-70(43% in 6-10 d). Fresh seed or seed DS 6 m at 40 gave low germination under all conditions.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Primula p. 197. 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.