Deno’s Garden

Sauromatum venosum

Genus Sauromatum

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around January 5, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 90 days to germinate.

20% germination in 90 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Sauromatum p. 75Public domain
Show the original text
Sauromatum (Araceae). S. venosum germ. 100% in 3rd w. Light or GA-3 had no effect. Seeds also germ. 40-70D(1/5) indicating that a prior 3 m at 40 was deleterious.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Sauromatum 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 High Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

20% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Sauromatum p. 75Public domain
Show the original text
Sauromatum (Araceae). S. venosum germ. 100% in 3rd w. Light or GA-3 had no effect. Seeds also germ. 40-70D(1/5) indicating that a prior 3 m at 40 was deleterious.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Sauromatum 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.