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Hibbertia dentata

Toothed Guinea Flower · Trailing Guinea Flower · Twining Guinea Flower

Family DilleniaceaeGenus Hibbertia

A bright yellow five-petalled flower with notched petals and a dense tuft of yellow stamens against dark leaves
FlowerSarefoCC BY-SA 3.0

About the plant

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

Flower
Bright yellowWikipedia
Native range
New South Wales, Queensland, VictoriaGBIF Backbone Taxonomy

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

Sources: Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Toothed guinea flower can resprout from its roots after a bushfire and flower again within ten months. Its flowers are visited by European honeybees, native short-tongued bees and large hoverflies. Wikipedia: Hibbertia dentata

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around July 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 15, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

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

Steps after step 2 run on after germination.

about 6 months from start to step 2. Germination happens during step 2, in 84 days.

50% germination in 84 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hibbertia p. 48Public domain
Show the original text
Hibbertia (Dillenaceae). H. dentata seeds DS 6 m germ. 70 GA-3(1/4 in 9th w)-40(1/4 in 8th w)-70(1/4 on 2nd d), 70D(1/4 in 9th w)-40-70D, and 70L(1/2 in 12th w)-40-70D.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hibbertia p. 48. 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 August 6, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 5, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Gibberellic acid soak

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  4. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    1/4 germinated in this phase.

  5. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    1/4 germinated in this phase.

Steps after step 3 run on after germination.

about 6 months from start to step 3. Germination happens during step 3, in 63 days.

25% germination in 63 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hibbertia p. 48Public domain
Show the original text
Hibbertia (Dillenaceae). H. dentata seeds DS 6 m germ. 70 GA-3(1/4 in 9th w)-40(1/4 in 8th w)-70(1/4 on 2nd d), 70D(1/4 in 9th w)-40-70D, and 70L(1/2 in 12th w)-40-70D.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hibbertia p. 48. 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 High Rated by us, not by the source.

Start around August 6, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 5, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

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

Steps after step 2 run on after germination.

about 6 months from start to step 2. Germination happens during step 2, in 63 days.

25% germination in 63 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hibbertia p. 48Public domain
Show the original text
Hibbertia (Dillenaceae). H. dentata seeds DS 6 m germ. 70 GA-3(1/4 in 9th w)-40(1/4 in 8th w)-70(1/4 on 2nd d), 70D(1/4 in 9th w)-40-70D, and 70L(1/2 in 12th w)-40-70D.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hibbertia p. 48. 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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