Deno’s Garden

Aquilegia scopulorum

Genus Aquilegia

Two sources report 4 treatments between them. All are shown.

Protocol 1

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

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

25% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Aquilegia p. 21Public domain
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Aquilegia (Ranunculaceae). In genera! Aquilegia require GA-3 for germination, but this can sometimes be replaced by light or DS. A. scopulorum was shown to germinate 100% in 2nd w in 70 GA-3 and none in 70D. This has now been confirmed in a second sample from a different source. The latter also germ. 40-70D(2/8 in 3rd w) and 70D-40(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Aquilegia p. 21. 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

  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, Aquilegia p. 21Public domain
Show the original text
Aquilegia (Ranunculaceae). In genera! Aquilegia require GA-3 for germination, but this can sometimes be replaced by light or DS. A. scopulorum was shown to germinate 100% in 2nd w in 70 GA-3 and none in 70D. This has now been confirmed in a second sample from a different source. The latter also germ. 40-70D(2/8 in 3rd w) and 70D-40(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Aquilegia p. 21. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.

Protocol 3

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around September 23, 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

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

30% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Aquilegia p. 97Public domain
Show the original text
Aquilegia (Ranunculaceae). Three treatments gave germination, and all other treatments failed. The three were (a) treatment of fresh or DS seed with GA-3 at 70, (b) sowing of OS seed at 70, and (c) outdoor treatment. All three of the treatments were used In only a few of the species so that it is not certain that all three will work with every species. Stewart and Presley (ref. 9) were the first to report that GA-3 was valuable in stimulating the germination of A. scopulorum germ. 70 GA-3(98%, 2nd w), 70(none), and 40-70(30% 2nd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Aquilegia 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 4

DerivedN. C. Deno, 1993

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.

98% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Aquilegia p. 97Public domain
Show the original text
Aquilegia (Ranunculaceae). Three treatments gave germination, and all other treatments failed. The three were (a) treatment of fresh or DS seed with GA-3 at 70, (b) sowing of OS seed at 70, and (c) outdoor treatment. All three of the treatments were used In only a few of the species so that it is not certain that all three will work with every species. Stewart and Presley (ref. 9) were the first to report that GA-3 was valuable in stimulating the germination of A. scopulorum germ. 70 GA-3(98%, 2nd w), 70(none), and 40-70(30% 2nd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Aquilegia 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.