Deno’s Garden

Silene wilfordii

Genus Silene

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around March 31, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 5 days to germinate.

100% germination in 5 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lychnis p. 174Public domain
Show the original text
Lychnis (Caryophyllaceae). L. wilfordii germ. 70L(100% on 5th d), 70D(48% in 5-12 d), and 40(50%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lychnis p. 174. 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. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Germination time not stated; 21 days assumed.

50% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lychnis p. 174Public domain
Show the original text
Lychnis (Caryophyllaceae). L. wilfordii germ. 70L(100% on 5th d), 70D(48% in 5-12 d), and 40(50%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lychnis p. 174. 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 24, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 12 days to germinate.

48% germination in 5–12 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lychnis p. 174Public domain
Show the original text
Lychnis (Caryophyllaceae). L. wilfordii germ. 70L(100% on 5th d), 70D(48% in 5-12 d), and 40(50%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lychnis p. 174. 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.