Deno’s Garden

Eriogonum bicolor

Genus Eriogonum

Two sources report 5 treatments between them. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around March 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 15, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

about 12 months from start to sowing. Then 21 days to germinate.

50% germination in 21 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Eriogonum p. 33Public domain
Show the original text
Eriogonum (Polygonaceae). E. bicolor had gérm. 40(2/9 in 2-7 w)-70D(4/9 on 3rd d) and 70D(1/7, rest rotted). Seeds DS 1 y germ. 40(3/6 in 3rd w) and 70D(all rotted). *
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Eriogonum p. 33. 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, 1998

Difficulty High Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Germination time not stated; 21 days assumed.

14% germination.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Eriogonum p. 33Public domain
Show the original text
Eriogonum (Polygonaceae). E. bicolor had gérm. 40(2/9 in 2-7 w)-70D(4/9 on 3rd d) and 70D(1/7, rest rotted). Seeds DS 1 y germ. 40(3/6 in 3rd w) and 70D(all rotted). *
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Eriogonum p. 33. 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 3

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around October 4, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    2/9 germinated in this phase.

  2. Warm moist stratification

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

about 6 months from start to sowing. Then 3 days to germinate.

44% germination in 3 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Eriogonum p. 33Public domain
Show the original text
Eriogonum (Polygonaceae). E. bicolor had gérm. 40(2/9 in 2-7 w)-70D(4/9 on 3rd d) and 70D(1/7, rest rotted). Seeds DS 1 y germ. 40(3/6 in 3rd w) and 70D(all rotted). *
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Eriogonum p. 33. 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 4

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around March 22, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 14 days to germinate.

14% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Eriogonum p. 42Public domain
Show the original text
Eriogonum (Polygonaceae). E. bicolor germ. 40(2/9 in 2-8 w)-70D(4/9 on 2nd d) and 70D(1/7 in 2nd w). All ungerm. seed rotted, and the 3 m moist at 70 was injurious.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Eriogonum p. 42. 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 5

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around October 5, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    2/9 germinated in this phase.

  2. Warm moist stratification

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

about 6 months from start to sowing. Then 2 days to germinate.

44% germination in 2 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Eriogonum p. 42Public domain
Show the original text
Eriogonum (Polygonaceae). E. bicolor germ. 40(2/9 in 2-8 w)-70D(4/9 on 2nd d) and 70D(1/7 in 2nd w). All ungerm. seed rotted, and the 3 m moist at 70 was injurious.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Eriogonum p. 42. 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.