Deno’s Garden

Pinellia ternata

Genus Pinellia

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around September 27, 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

about 6 months from start to sowing. Then 10 days to germinate.

95% germination in 8–10 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Pinellia p. 194Public domain
Show the original text
Pinellia (Araceae). P. ternata germ. 70(69% in 312 d) and 40-70(95% in 8- 10 d). Seed DS 6 m at 70 or 40 gave similar results. Pinguicula (Lent lbulariaceae).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Pinellia p. 194. 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 May 29, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on May 28, 2026.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 312 days to germinate.

69% germination in 312 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Pinellia p. 194Public domain
Show the original text
Pinellia (Araceae). P. ternata germ. 70(69% in 312 d) and 40-70(95% in 8- 10 d). Seed DS 6 m at 70 or 40 gave similar results. Pinguicula (Lent lbulariaceae).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Pinellia p. 194. 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.