Deno’s Garden

Ruta graveolens

Genus Ruta

Two sources report three treatments between them. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

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

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 42 days to germinate.

100% germination in 28–42 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Ruta p. 59Public domain
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Ruta (Rutaceae). Data is now complete. R. graveolens germ. 70D(100% in 2-4 d) and 40(100% in 4-6 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Ruta p. 59. 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, 1998

Difficulty Low Rated by us, not by the source.

Start around April 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 4 days to germinate.

100% germination in 2–4 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Ruta p. 59Public domain
Show the original text
Ruta (Rutaceae). Data is now complete. R. graveolens germ. 70D(100% in 2-4 d) and 40(100% in 4-6 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Ruta p. 59. 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 Low Rated by us, not by the source.

Start around April 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 4 days to germinate.

95% germination in 2–4 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Ruta p. 73Public domain
Show the original text
Ruta (Rutaceae). R. graveolens germ. 70D(95% in 2-4 d).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Ruta p. 73. 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.