Deno’s Garden

Brugmansia suaveolens

Genus Brugmansia

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around April 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 4 days to germinate.

45% germination in 4 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Datura p. 36Public domain
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Datura (Solanaceae). The seeds are sometimes enclosed in a berry. Commercial samples sometimes had the dried berry still intact. It was always removed in the following experiments, and germination was poor without this removal. D. suaveolens germ. 70L(5/11 on 4th d) and 70D(1/8 on 4th d) providing the remnants of the dried berry are removed. None germ. otherwise.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Datura p. 36. 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, 1996

Difficulty High Rated by us, not by the source.

Start around April 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 4 days to germinate.

12% germination in 4 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Datura p. 36Public domain
Show the original text
Datura (Solanaceae). The seeds are sometimes enclosed in a berry. Commercial samples sometimes had the dried berry still intact. It was always removed in the following experiments, and germination was poor without this removal. D. suaveolens germ. 70L(5/11 on 4th d) and 70D(1/8 on 4th d) providing the remnants of the dried berry are removed. None germ. otherwise.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Datura p. 36. 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.