Deno’s Garden

Potentilla argyrophylla

Genus Potentilla

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

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

  2. Warm moist stratification

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

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

36% germination in 4 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. atrosanguinea germ. 70L(34% in 2nd w), 70D GA-3(33% in 2nd w), 70D(10% in 2nd w), 40-70L(36% in 4th d), and 40-70D(none).
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 March 22, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 14 days to germinate.

34% 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. atrosanguinea germ. 70L(34% in 2nd w), 70D GA-3(33% in 2nd w), 70D(10% in 2nd w), 40-70L(36% in 4th d), and 40-70D(none).
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 March 22, 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 14 days to germinate.

33% 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. atrosanguinea germ. 70L(34% in 2nd w), 70D GA-3(33% in 2nd w), 70D(10% in 2nd w), 40-70L(36% in 4th d), and 40-70D(none).
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 High Rated by us, not by the source.

Start around March 22, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 14 days to germinate.

10% 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. atrosanguinea germ. 70L(34% in 2nd w), 70D GA-3(33% in 2nd w), 70D(10% in 2nd w), 40-70L(36% in 4th d), and 40-70D(none).
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.