Deno’s Garden

Lobelia angulata

Genus Lobelia

This source reports 5 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

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

about 6 months from start to sowing. Then 21 days to germinate.

100% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Pratia p. 56Public domain
Show the original text
Pratia (Campanulaceae). P. angulata.germ. 70L{90% in 4-12 w), 70D(5%), 40-70L(60% in 3rd w), and 40-70D(100% in 3rd w). Seeds DS 1 y germ 70D(21% in 2-6 w) and 70L(80% in 3-8 w). r
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Pratia p. 56. 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, 1998

Difficulty Low Rated by us, not by the source.

Start around February 9, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 8, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 12 months from start to sowing. Then 56 days to germinate.

80% germination in 21–56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Pratia p. 56Public domain
Show the original text
Pratia (Campanulaceae). P. angulata.germ. 70L{90% in 4-12 w), 70D(5%), 40-70L(60% in 3rd w), and 40-70D(100% in 3rd w). Seeds DS 1 y germ 70D(21% in 2-6 w) and 70L(80% in 3-8 w). r
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Pratia p. 56. 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, 1998

Difficulty Moderate Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  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 21 days to germinate.

60% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Pratia p. 56Public domain
Show the original text
Pratia (Campanulaceae). P. angulata.germ. 70L{90% in 4-12 w), 70D(5%), 40-70L(60% in 3rd w), and 40-70D(100% in 3rd w). Seeds DS 1 y germ 70D(21% in 2-6 w) and 70L(80% in 3-8 w). r
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Pratia p. 56. 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, 1998

Difficulty High Rated by us, not by the source.

Start around February 23, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 22, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 12 months from start to sowing. Then 42 days to germinate.

21% germination in 14–42 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Pratia p. 56Public domain
Show the original text
Pratia (Campanulaceae). P. angulata.germ. 70L{90% in 4-12 w), 70D(5%), 40-70L(60% in 3rd w), and 40-70D(100% in 3rd w). Seeds DS 1 y germ 70D(21% in 2-6 w) and 70L(80% in 3-8 w). r
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Pratia p. 56. 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 5

DerivedN. C. Deno, 1998

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: dark

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

5% germination.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Pratia p. 56Public domain
Show the original text
Pratia (Campanulaceae). P. angulata.germ. 70L{90% in 4-12 w), 70D(5%), 40-70L(60% in 3rd w), and 40-70D(100% in 3rd w). Seeds DS 1 y germ 70D(21% in 2-6 w) and 70L(80% in 3-8 w). r
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Pratia p. 56. 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.