Deno’s Garden

Draba hoppeana

Genus Draba

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 27, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 9 days to germinate.

86% germination in 5–9 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Draba p. 135Public domain
Show the original text
Draba (Brassicaceae). Most Draba are D-70 germinators. A comparison of the high germination of DS to low germination of fresh seed was given in Table 5-1. Sowing of fresh seed at 70 not only gives low germination, but is often fatal. D. hoppeana germ. 70(86% in 5-9 d) and 40(84% in 7th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Draba p. 135. 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 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.

84% germination in 49 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Draba p. 135Public domain
Show the original text
Draba (Brassicaceae). Most Draba are D-70 germinators. A comparison of the high germination of DS to low germination of fresh seed was given in Table 5-1. Sowing of fresh seed at 70 not only gives low germination, but is often fatal. D. hoppeana germ. 70(86% in 5-9 d) and 40(84% in 7th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Draba p. 135. 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.