Deno’s Garden

Lobelia inflata

Genus Lobelia

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 24, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

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

100% germination in 10–12 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lobelia p. 172Public domain
Show the original text
Lobelia (Lobeliaceae). Both L. inflata germ. 70D GA-3(100% in 10-12 d),- in Stftw), 70D(none), 40- 70L(97% in 2nd w), and 40-70D(none) using fresh seed or seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lobelia 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 Moderate Rated by us, not by the source.

Start around September 23, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: light

about 6 months from start to sowing. Then 14 days to germinate.

97% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lobelia p. 172Public domain
Show the original text
Lobelia (Lobeliaceae). Both L. inflata germ. 70D GA-3(100% in 10-12 d),- in Stftw), 70D(none), 40- 70L(97% in 2nd w), and 40-70D(none) using fresh seed or seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lobelia 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.