Deno’s Garden

Cremanthodium ellisii

Genus Cremanthodium

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

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

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 42 days to germinate.

70% germination in 42 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cremanthodium p. 126Public domain
Show the original text
Cremanthodium (Asteraàeae). C. ellisii is one of those species that germinate in either 70L or 40D as shown by 70L(70% in 4-6 w), 40(70% in 6th w), and none in 70D.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cremanthodium p. 126. 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 February 22, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 42 days to germinate.

70% germination in 28–42 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cremanthodium p. 126Public domain
Show the original text
Cremanthodium (Asteraàeae). C. ellisii is one of those species that germinate in either 70L or 40D as shown by 70L(70% in 4-6 w), 40(70% in 6th w), and none in 70D.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cremanthodium p. 126. 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, 1993

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cremanthodium p. 126Public domain
Show the original text
Cremanthodium (Asteraàeae). C. ellisii is one of those species that germinate in either 70L or 40D as shown by 70L(70% in 4-6 w), 40(70% in 6th w), and none in 70D.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cremanthodium p. 126. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.