Deno’s Garden

Pinguicula vulgaris

Genus Pinguicula

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 September 27, 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 6 months from start to sowing. Then 10 days to germinate.

100% germination in 10 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Pinguicula p. 66Public domain
Show the original text
Pinguicula (Lentibulariaceae). P. vulgaris germ. 70 GA-3(92% in 2nd w), 70L(18% in 3-12 w), 40-70L(100% on 10th d), and none in 70D or 40-70D using fresh seed. Seed DS 3 m germ. similarly, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Pinguicula p. 66. 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 Low Rated by us, not by the source.

Start around March 22, 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 14 days to germinate.

92% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Pinguicula p. 66Public domain
Show the original text
Pinguicula (Lentibulariaceae). P. vulgaris germ. 70 GA-3(92% in 2nd w), 70L(18% in 3-12 w), 40-70L(100% on 10th d), and none in 70D or 40-70D using fresh seed. Seed DS 3 m germ. similarly, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Pinguicula p. 66. 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 January 11, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 84 days to germinate.

18% germination in 21–84 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Pinguicula p. 66Public domain
Show the original text
Pinguicula (Lentibulariaceae). P. vulgaris germ. 70 GA-3(92% in 2nd w), 70L(18% in 3-12 w), 40-70L(100% on 10th d), and none in 70D or 40-70D using fresh seed. Seed DS 3 m germ. similarly, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Pinguicula p. 66. 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. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Pinguicula p. 66Public domain
Show the original text
Pinguicula (Lentibulariaceae). P. vulgaris germ. 70 GA-3(92% in 2nd w), 70L(18% in 3-12 w), 40-70L(100% on 10th d), and none in 70D or 40-70D using fresh seed. Seed DS 3 m germ. similarly, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Pinguicula p. 66. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.