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Cremanthodium ellisii

Himalayan Mini Sunflower

Family AsteraceaeGenus Cremanthodium

Nodding yellow daisy-like flower heads on dark stalks above a rosette of toothed purple-tinged leaves among gray stones
FlowerDechen NorbuCC BY 4.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
perennialPlants of the World Online
Flower
Yellow, purplish redFlora of China

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; Flora of China — Wu Zhengyi, Peter H. Raven and Hong Deyuan (eds.).

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

Germination happens during step 1, in 42 days.

70% germination in 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 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.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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