Deno’s Garden

Angelica archangelica

Genus Angelica

This source reports 5 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around March 18, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 18 days to germinate.

98% germination in 10–18 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Angelica p. 20Public domain
Show the original text
Angelica (Apiaceae). A. archangelica germ. 70L (98% in 10-18 d), 70 GA-3 (97% in 11-15 d), 70D (5%)-40(10%)-70D(33% in 4-15 d)-40(5%), 40-70D(18%)- 40(2%), and 46% in Nov.-Dec. and 31% in March-April in OT. The light requirement is simiiar to the two species reported in the 2nd Ed., and 70L is the best treatment. The seeds were all dead after 1 y of DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Angelica p. 20. 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 21, 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 15 days to germinate.

97% germination in 11–15 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Angelica p. 20Public domain
Show the original text
Angelica (Apiaceae). A. archangelica germ. 70L (98% in 10-18 d), 70 GA-3 (97% in 11-15 d), 70D (5%)-40(10%)-70D(33% in 4-15 d)-40(5%), 40-70D(18%)- 40(2%), and 46% in Nov.-Dec. and 31% in March-April in OT. The light requirement is simiiar to the two species reported in the 2nd Ed., and 70L is the best treatment. The seeds were all dead after 1 y of DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Angelica p. 20. 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 June 25, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 24, 2026.

  1. Warm moist stratification

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

    5 germinated in this phase.

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    10 germinated in this phase.

  3. Warm moist stratification

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

  4. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    5 germinated in this phase.

Steps after step 3 run on after germination.

about 9 months from start to sowing. Then 15 days to germinate.

33% germination in 4–15 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Angelica p. 20Public domain
Show the original text
Angelica (Apiaceae). A. archangelica germ. 70L (98% in 10-18 d), 70 GA-3 (97% in 11-15 d), 70D (5%)-40(10%)-70D(33% in 4-15 d)-40(5%), 40-70D(18%)- 40(2%), and 46% in Nov.-Dec. and 31% in March-April in OT. The light requirement is simiiar to the two species reported in the 2nd Ed., and 70L is the best treatment. The seeds were all dead after 1 y of DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Angelica p. 20. 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 Moderate Rated by us, not by the source.

  1. Sow outdoors and leave it

    Up in March-April.

No stated waiting before sowing.

31% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Angelica p. 20Public domain
Show the original text
Angelica (Apiaceae). A. archangelica germ. 70L (98% in 10-18 d), 70 GA-3 (97% in 11-15 d), 70D (5%)-40(10%)-70D(33% in 4-15 d)-40(5%), 40-70D(18%)- 40(2%), and 46% in Nov.-Dec. and 31% in March-April in OT. The light requirement is simiiar to the two species reported in the 2nd Ed., and 70L is the best treatment. The seeds were all dead after 1 y of DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Angelica p. 20. 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 5

DerivedN. C. Deno, 1996

Difficulty High 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. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°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

    2 germinated in this phase.

Steps after step 2 run on after germination.

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

18% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Angelica p. 20Public domain
Show the original text
Angelica (Apiaceae). A. archangelica germ. 70L (98% in 10-18 d), 70 GA-3 (97% in 11-15 d), 70D (5%)-40(10%)-70D(33% in 4-15 d)-40(5%), 40-70D(18%)- 40(2%), and 46% in Nov.-Dec. and 31% in March-April in OT. The light requirement is simiiar to the two species reported in the 2nd Ed., and 70L is the best treatment. The seeds were all dead after 1 y of DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Angelica p. 20. 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.