Deno’s Garden

Lobelia boykinii

Genus Lobelia

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

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

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

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

33% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Lobelia p. 54Public domain
Show the original text
Lobelia (Lobeliaceae). L. boykinii germ. 70 GA-3(33% in 3rd w), 70L(1%), 70D-40-70L(12%), and none in 40-70D or 40-70L. The 3 m at 40 appears to be fatal which is unusual.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Lobelia p. 54. 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 June 19, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 18, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 9 months from start to sowing. Germination time not stated; 21 days assumed.

12% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Lobelia p. 54Public domain
Show the original text
Lobelia (Lobeliaceae). L. boykinii germ. 70 GA-3(33% in 3rd w), 70L(1%), 70D-40-70L(12%), and none in 40-70D or 40-70L. The 3 m at 40 appears to be fatal which is unusual.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Lobelia p. 54. 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 3

DerivedN. C. Deno, 1996

Difficulty Very high Rated by us, not by the source.

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

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Germination time not stated; 21 days assumed.

1% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Lobelia p. 54Public domain
Show the original text
Lobelia (Lobeliaceae). L. boykinii germ. 70 GA-3(33% in 3rd w), 70L(1%), 70D-40-70L(12%), and none in 40-70D or 40-70L. The 3 m at 40 appears to be fatal which is unusual.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Lobelia p. 54. 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 4

DerivedN. C. Deno, 1996

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing.

0% germination.

Nothing germinated at 40.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Lobelia p. 54Public domain
Show the original text
Lobelia (Lobeliaceae). L. boykinii germ. 70 GA-3(33% in 3rd w), 70L(1%), 70D-40-70L(12%), and none in 40-70D or 40-70L. The 3 m at 40 appears to be fatal which is unusual.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Lobelia p. 54. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.