Deno’s Garden

Parnassia palustris

Genus Parnassia

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around March 1, 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 35 days to germinate.

88% germination in 35 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Parnassia p. 186Public domain
Show the original text
Parnassia (Parnassiaceae). P. palustris germ. 70L(48% in 1-3 w), 70D GA-3(88% in .5th w), 70D(17% in 3rd w), and 40-70D(25% in 2nd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Parnassia p. 186. 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 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 21 days to germinate.

48% germination in 7–21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Parnassia p. 186Public domain
Show the original text
Parnassia (Parnassiaceae). P. palustris germ. 70L(48% in 1-3 w), 70D GA-3(88% in .5th w), 70D(17% in 3rd w), and 40-70D(25% in 2nd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Parnassia p. 186. 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 High 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 Light: dark

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

25% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Parnassia p. 186Public domain
Show the original text
Parnassia (Parnassiaceae). P. palustris germ. 70L(48% in 1-3 w), 70D GA-3(88% in .5th w), 70D(17% in 3rd w), and 40-70D(25% in 2nd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Parnassia p. 186. 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 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 21 days to germinate.

17% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Parnassia p. 186Public domain
Show the original text
Parnassia (Parnassiaceae). P. palustris germ. 70L(48% in 1-3 w), 70D GA-3(88% in .5th w), 70D(17% in 3rd w), and 40-70D(25% in 2nd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Parnassia p. 186. 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.