Deno’s Garden

Eriogonum sphaerocephalum

Genus Eriogonum

Protocol

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    11/22 germinated in this phase.

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    1/22 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    9/24 germinated in this phase.

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 12 months from start to sowing. Then 3 days to germinate.

54% germination in 3 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Eriogonum p. 139Public domain
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Eriogonum (Potygonaceae). Germination often occurred at comparable rates at 40 and 70, it often occurred throughout each 3 m cycle, and it often extended over two cycles. The data is summarized in the following Table except for E. sphaerocephalum 70(11/22)-40(1/22) 40(9/24)-70(13/24 3rd d)
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Eriogonum p. 139. 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.