Deno’s Garden

Saponaria ocymoides

Genus Saponaria

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around September 18, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 17, 2026.

  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 20 days to germinate.

86% germination in 4–20 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Saponaria p. 75Public domain
Show the original text
Saponaria (Caryophyllaceae). S. ocymoides seeds DS 6 m germ. 70L(86% in 4-20 d) and 70D(50% in 4-8 d). Seeds DS 1 y germ. 70D(50% in 1-3 w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Saponaria p. 75. 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

Difficulty Moderate Rated by us, not by the source.

Start around September 29, 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 8 days to germinate.

50% germination in 4–8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Saponaria p. 75Public domain
Show the original text
Saponaria (Caryophyllaceae). S. ocymoides seeds DS 6 m germ. 70L(86% in 4-20 d) and 70D(50% in 4-8 d). Seeds DS 1 y germ. 70D(50% in 1-3 w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Saponaria p. 75. 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, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 15, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 12 months from start to sowing. Then 21 days to germinate.

50% germination in 7–21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Saponaria p. 75Public domain
Show the original text
Saponaria (Caryophyllaceae). S. ocymoides seeds DS 6 m germ. 70L(86% in 4-20 d) and 70D(50% in 4-8 d). Seeds DS 1 y germ. 70D(50% in 1-3 w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Saponaria p. 75. 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.