Deno’s Garden

Erigeron flettii

Genus Erigeron

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

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

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 49 days to germinate.

100% germination in 49 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Erigeron p. 139Public domain
Show the original text
Erigeron (Asteraceae). These are mainly-D-70 germinators. Germination failed in 60% of the samples received, and this is believed to be due to the absence of viable seed among the copious chaff. The following species germ. in 4-10 d at 70: E. flettii germ. 70D(100% in 5-7 d) and 40(100% in 7th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Erigeron 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.

Protocol 2

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around March 29, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 7 days to germinate.

100% germination in 5–7 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Erigeron p. 139Public domain
Show the original text
Erigeron (Asteraceae). These are mainly-D-70 germinators. Germination failed in 60% of the samples received, and this is believed to be due to the absence of viable seed among the copious chaff. The following species germ. in 4-10 d at 70: E. flettii germ. 70D(100% in 5-7 d) and 40(100% in 7th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Erigeron 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.