Deno’s Garden

Heterotheca fulcrata

Genus Heterotheca

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 March 8, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 28 days to germinate.

100% germination in 14–28 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Heterotheca p. 152Public domain
Show the original text
Heterotheca (Asteraceae). H. fulcrata germ. 70(100% in 3-5 d) and 40(100% in 2-4 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Heterotheca p. 152. 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 31, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 5 days to germinate.

100% germination in 3–5 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Heterotheca p. 152Public domain
Show the original text
Heterotheca (Asteraceae). H. fulcrata germ. 70(100% in 3-5 d) and 40(100% in 2-4 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Heterotheca p. 152. 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.