Deno’s Garden

Shoshonea pulvinata

Genus Shoshonea

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around June 5, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 4, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    40 germinated in this phase.

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    5 germinated in this phase.

Steps after step 3 run on after germination.

about 9 months from start to sowing. Then 35 days to germinate.

50% germination in 35 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Shoshonea p. 77Public domain
Show the original text
Shoshonea (Apiaceae). S. pulvinata germ. 40(40% in 10th w)-70-40(50% in 5th w)-70(5%), 70D-40(50% in 3-12 w)-70-40(5%), and 70 GA-3(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Shoshonea p. 77. 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 July 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 15, 2026.

  1. Warm moist stratification

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

  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 germinated in this phase.

Steps after step 2 run on after germination.

about 6 months from start to sowing. Then 84 days to germinate.

50% germination in 21–84 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Shoshonea p. 77Public domain
Show the original text
Shoshonea (Apiaceae). S. pulvinata germ. 40(40% in 10th w)-70-40(50% in 5th w)-70(5%), 70D-40(50% in 3-12 w)-70-40(5%), and 70 GA-3(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Shoshonea p. 77. 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.