Deno’s Garden

Astrantia minor

Genus Astrantia

Two sources report 5 treatments between them. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around August 13, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 12, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 6 months from start to sowing. Then 56 days to germinate.

33% germination in 56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Astrantia p. 16Public domain
Show the original text
Astrantia (Apiaceae). Larger samples of A. minor germ. 70D-40(1/3 in 8th w), 70L-40(2/2 in 8th w), and 40^70D-40(3/3 in 8-10 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Astrantia p. 16. 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, 1998

Difficulty Moderate Rated by us, not by the source.

Start around August 13, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 12, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 6 months from start to sowing. Then 56 days to germinate.

100% germination in 56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Astrantia p. 16Public domain
Show the original text
Astrantia (Apiaceae). Larger samples of A. minor germ. 70D-40(1/3 in 8th w), 70L-40(2/2 in 8th w), and 40^70D-40(3/3 in 8-10 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Astrantia p. 16. 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, 1998

Difficulty Moderate Rated by us, not by the source.

Start around July 30, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 29, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 6 months from start to sowing. Then 70 days to germinate.

100% germination in 56–70 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Astrantia p. 16Public domain
Show the original text
Astrantia (Apiaceae). Larger samples of A. minor germ. 70D-40(1/3 in 8th w), 70L-40(2/2 in 8th w), and 40^70D-40(3/3 in 8-10 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Astrantia p. 16. 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, Astrantia p. 23Public domain
Show the original text
Astrantia (Apiaceae). A. minor ge;im. 3-5% in 70-40 patterns with seeds DS several months. A new freshty collected sample germ. 40(1/8)-70(4/8 in 2-4 d) and none in 70D or 70L. A rapid death rate in DS is suspected.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Astrantia p. 23. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.

Protocol 5

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around October 3, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    1/8 germinated in this phase.

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 6 months from start to sowing. Then 4 days to germinate.

50% germination in 2–4 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Astrantia p. 23Public domain
Show the original text
Astrantia (Apiaceae). A. minor ge;im. 3-5% in 70-40 patterns with seeds DS several months. A new freshty collected sample germ. 40(1/8)-70(4/8 in 2-4 d) and none in 70D or 70L. A rapid death rate in DS is suspected.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Astrantia p. 23. 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.