Deno’s Garden

Anthriscus cerefolium

Genus Anthriscus

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around December 15, 2026 for a May 3 last frost.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

Steps after step 1 run on after germination.

about 3 months from start to sowing. Then 21 days to germinate.

12% germination in 7–21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Anthriscus p. 97Public domain
Show the original text
Anthriscus (Apiaceae). A. cerefolium germ. 70D(4% in 2nd w)-40(2%)- 70D(6%), 70L(12% in 1-3 w)-40, and 40(10% in 3-8 w)-70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Anthriscus p. 97. 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, 1993

Difficulty High Rated by us, not by the source.

Start around November 10, 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

Steps after step 1 run on after germination.

about 3 months from start to sowing. Then 56 days to germinate.

10% germination in 21–56 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Anthriscus p. 97Public domain
Show the original text
Anthriscus (Apiaceae). A. cerefolium germ. 70D(4% in 2nd w)-40(2%)- 70D(6%), 70L(12% in 1-3 w)-40, and 40(10% in 3-8 w)-70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Anthriscus p. 97. 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, 1993

Difficulty Very high Rated by us, not by the source.

Start around June 19, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 18, 2026.

  1. Warm moist stratification

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

    4 germinated in this phase.

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    2 germinated in this phase.

  3. Warm moist stratification

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

about 9 months from start to sowing. Germination time not stated; 21 days assumed.

6% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Anthriscus p. 97Public domain
Show the original text
Anthriscus (Apiaceae). A. cerefolium germ. 70D(4% in 2nd w)-40(2%)- 70D(6%), 70L(12% in 1-3 w)-40, and 40(10% in 3-8 w)-70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Anthriscus p. 97. 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.