Deno’s Garden

Erigeron flabellifolius

Genus Erigeron

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty High Rated by us, not by the source.

Start around November 17, 2026 for a May 3 last frost.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    3/19 germinated in this phase.

  3. Warm moist stratification

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

    1/19 germinated in this phase.

Steps after step 1 run on after germination.

about 3 months from start to sowing. Then 49 days to germinate.

21% germination in 28–49 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Erigeron p. 32Public domain
Show the original text
Erigeron (Asteraceae). E. flabellifolius germ. 70D(4/19 in 4-7 w)-40(3/19 in 4th w)-70D(1/19 on 3rd d) and 40-70D(1/22 on 4th d).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Erigeron p. 32. 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 Very high Rated by us, not by the source.

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

  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 4 days to germinate.

5% germination in 4 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Erigeron p. 32Public domain
Show the original text
Erigeron (Asteraceae). E. flabellifolius germ. 70D(4/19 in 4-7 w)-40(3/19 in 4th w)-70D(1/19 on 3rd d) and 40-70D(1/22 on 4th d).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Erigeron p. 32. 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.