Deno’s Garden

Cerastium fontanum

Genus Cerastium

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low 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. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

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

100% germination in 7–21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cerastium p. 30Public domain
Show the original text
Cerastium (Caryophyllaceae). C. fontanum germ. 70L{90% in 1-9 w) and 70D(15% in 1-9 w)-40-70D(54% in 4-8 d). DS not only increased the rate of germination, but it also decreased the effect of light. Seed DS 6 m at 70 germ. 70L(100% in 1-3 w) and 70D(79% in 2nd w), and seed DS 1 y germ. 70D(88% in 2nd w). However, seeds DS 2 y germ. 70D{32% in 3rd w) showing significant dying. The five species studied previously germ. in 70D, but it is possible that the seeds had extensive DS which had removed the light requirement. Ceratotheca (?).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cerastium p. 30. 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 September 23, 2026 for a May 3 last frost.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 6 months from start to sowing. Then 14 days to germinate.

88% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cerastium p. 30Public domain
Show the original text
Cerastium (Caryophyllaceae). C. fontanum germ. 70L{90% in 1-9 w) and 70D(15% in 1-9 w)-40-70D(54% in 4-8 d). DS not only increased the rate of germination, but it also decreased the effect of light. Seed DS 6 m at 70 germ. 70L(100% in 1-3 w) and 70D(79% in 2nd w), and seed DS 1 y germ. 70D(88% in 2nd w). However, seeds DS 2 y germ. 70D{32% in 3rd w) showing significant dying. The five species studied previously germ. in 70D, but it is possible that the seeds had extensive DS which had removed the light requirement. Ceratotheca (?).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cerastium p. 30. 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 Low Rated by us, not by the source.

Start around September 23, 2026 for a May 3 last frost.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 6 months from start to sowing. Then 14 days to germinate.

79% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cerastium p. 30Public domain
Show the original text
Cerastium (Caryophyllaceae). C. fontanum germ. 70L{90% in 1-9 w) and 70D(15% in 1-9 w)-40-70D(54% in 4-8 d). DS not only increased the rate of germination, but it also decreased the effect of light. Seed DS 6 m at 70 germ. 70L(100% in 1-3 w) and 70D(79% in 2nd w), and seed DS 1 y germ. 70D(88% in 2nd w). However, seeds DS 2 y germ. 70D{32% in 3rd w) showing significant dying. The five species studied previously germ. in 70D, but it is possible that the seeds had extensive DS which had removed the light requirement. Ceratotheca (?).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cerastium p. 30. 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

Difficulty High Rated by us, not by the source.

Start around July 2, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 1, 2026.

  1. Warm moist stratification

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

    15 germinated in this phase.

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 9 months from start to sowing. Then 8 days to germinate.

54% germination in 4–8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cerastium p. 30Public domain
Show the original text
Cerastium (Caryophyllaceae). C. fontanum germ. 70L{90% in 1-9 w) and 70D(15% in 1-9 w)-40-70D(54% in 4-8 d). DS not only increased the rate of germination, but it also decreased the effect of light. Seed DS 6 m at 70 germ. 70L(100% in 1-3 w) and 70D(79% in 2nd w), and seed DS 1 y germ. 70D(88% in 2nd w). However, seeds DS 2 y germ. 70D{32% in 3rd w) showing significant dying. The five species studied previously germ. in 70D, but it is possible that the seeds had extensive DS which had removed the light requirement. Ceratotheca (?).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cerastium p. 30. 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.