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Lobelia angulata

Lawn Lobelia · Pānakenake

Family CampanulaceaeGenus Lobelia

Two small fruits on upright stalks, one ripened deep purple, one still green, each with green lobes
Fruitgbohne from Berlin, GermanyCC BY-SA 2.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
subshrubPlants of the World Online
Flower
WhiteWikipedia
Native range
Antipodean Is., Chatham Is., New Zealand North, New Zealand SouthGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

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 December 15, 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: dark

about 3 months from start to step 2. Germination happens during step 2, in 21 days.

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 December 15, 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 3 months from start to step 2. Germination happens during step 2, in 21 days.

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.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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