Deno’s Garden

Hibbertia dentata

Genus Hibbertia

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 April 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on April 16, 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 9 months from start to sowing. Then 84 days to germinate.

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 May 8, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on May 7, 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 9 months from start to sowing. Then 63 days to germinate.

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 May 8, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on May 7, 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 9 months from start to sowing. Then 63 days to germinate.

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.