Deno’s Garden

Erysimum cheiri

Genus Erysimum

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

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

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 21 days to germinate.

60% germination in 21 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cheiranthus p. 117Public domain
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Cheiranthus (Brassicaceae). C. cheiri germ. 70(60-85% in 2-18 d) and 40(60-85% in 3rd w) for either fresh seed or seed DS 6 m at 70 or 40..
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cheiranthus p. 117. 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 Moderate Rated by us, not by the source.

Start around March 18, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 18 days to germinate.

60% germination in 2–18 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cheiranthus p. 117Public domain
Show the original text
Cheiranthus (Brassicaceae). C. cheiri germ. 70(60-85% in 2-18 d) and 40(60-85% in 3rd w) for either fresh seed or seed DS 6 m at 70 or 40..
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cheiranthus p. 117. 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.