Deno’s Garden

Potentilla recta

Genus Potentilla

This source reports 6 treatments. All are shown.

Protocol 1

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. 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 14 days to germinate.

60% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Potentilla p. 196Public domain
Show the original text
Potentilla (Rosaceae). P. recta germ. 70D GA-3(60% in 3-11 w), none in 70D or 70L, 40-70L(5%), and 40-70D(none) using fresh seeds. Seeds DS 6 m at 70 germ. 70L(60% in 2nd w), 70D GA-3(60% in 2nd w), and 70D(5% in 2nd w). The DS for 6 m at 70 converted the seeds from requiring GA-3 to requiring either GA-3 or light.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Potentilla p. 196. 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 Moderate Rated by us, not by the source.

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

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 77 days to germinate.

60% germination in 21–77 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Potentilla p. 196Public domain
Show the original text
Potentilla (Rosaceae). P. recta germ. 70D GA-3(60% in 3-11 w), none in 70D or 70L, 40-70L(5%), and 40-70D(none) using fresh seeds. Seeds DS 6 m at 70 germ. 70L(60% in 2nd w), 70D GA-3(60% in 2nd w), and 70D(5% in 2nd w). The DS for 6 m at 70 converted the seeds from requiring GA-3 to requiring either GA-3 or light.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Potentilla p. 196. 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 Moderate 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. Gibberellic acid soak

  3. Sow and cover

    Temperature: 70°F 21°C Light: dark

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

60% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Potentilla p. 196Public domain
Show the original text
Potentilla (Rosaceae). P. recta germ. 70D GA-3(60% in 3-11 w), none in 70D or 70L, 40-70L(5%), and 40-70D(none) using fresh seeds. Seeds DS 6 m at 70 germ. 70L(60% in 2nd w), 70D GA-3(60% in 2nd w), and 70D(5% in 2nd w). The DS for 6 m at 70 converted the seeds from requiring GA-3 to requiring either GA-3 or light.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Potentilla p. 196. 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 Very high 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.

5% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Potentilla p. 196Public domain
Show the original text
Potentilla (Rosaceae). P. recta germ. 70D GA-3(60% in 3-11 w), none in 70D or 70L, 40-70L(5%), and 40-70D(none) using fresh seeds. Seeds DS 6 m at 70 germ. 70L(60% in 2nd w), 70D GA-3(60% in 2nd w), and 70D(5% in 2nd w). The DS for 6 m at 70 converted the seeds from requiring GA-3 to requiring either GA-3 or light.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Potentilla p. 196. 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, 1993

Difficulty Very 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: light

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

5% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Potentilla p. 196Public domain
Show the original text
Potentilla (Rosaceae). P. recta germ. 70D GA-3(60% in 3-11 w), none in 70D or 70L, 40-70L(5%), and 40-70D(none) using fresh seeds. Seeds DS 6 m at 70 germ. 70L(60% in 2nd w), 70D GA-3(60% in 2nd w), and 70D(5% in 2nd w). The DS for 6 m at 70 converted the seeds from requiring GA-3 to requiring either GA-3 or light.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Potentilla p. 196. 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 6

DerivedN. C. Deno, 1993
  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, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Potentilla p. 196Public domain
Show the original text
Potentilla (Rosaceae). P. recta germ. 70D GA-3(60% in 3-11 w), none in 70D or 70L, 40-70L(5%), and 40-70D(none) using fresh seeds. Seeds DS 6 m at 70 germ. 70L(60% in 2nd w), 70D GA-3(60% in 2nd w), and 70D(5% in 2nd w). The DS for 6 m at 70 converted the seeds from requiring GA-3 to requiring either GA-3 or light.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Potentilla p. 196. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.