Deno’s Garden

Eustoma russellianum

Genus Eustoma

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 21, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 15 days to germinate.

60% germination in 7–15 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lisianthus p. 172Public domain
Show the original text
Lisianthus (Gentianaceae). L. russelianum germ. 70L(60% in 7-15 d) and 70D(25% in 10-12 d). A prior 3 m at 40 lowered the percent germination markedly, but did not alter the photoresponse.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lisianthus p. 172. 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 High Rated by us, not by the source.

Start around March 24, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 12 days to germinate.

25% germination in 10–12 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lisianthus p. 172Public domain
Show the original text
Lisianthus (Gentianaceae). L. russelianum germ. 70L(60% in 7-15 d) and 70D(25% in 10-12 d). A prior 3 m at 40 lowered the percent germination markedly, but did not alter the photoresponse.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lisianthus p. 172. 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.