Deno’s Garden

Smilax ferox

Genus Smilax

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 January 4, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 91 days to germinate.

100% germination in 91 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Smilax p. 215Public domain
Show the original text
Smilax (Llliaceae). S. ferox germ. 70L(2/2 in 13th w), 70D(2/3 in 16th w). and 40-70-40(214 in 4th w)-70-40-70(1/4). A true leaf (hypogeal) developed 4 w after germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Smilax p. 215. 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 December 14, 2026 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 112 days to germinate.

67% germination in 112 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Smilax p. 215Public domain
Show the original text
Smilax (Llliaceae). S. ferox germ. 70L(2/2 in 13th w), 70D(2/3 in 16th w). and 40-70-40(214 in 4th w)-70-40-70(1/4). A true leaf (hypogeal) developed 4 w after germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Smilax p. 215. 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 High Rated by us, not by the source.

Start around September 22, 2026 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 21, 2025.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  5. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  6. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 18 months from start to sowing. Germination time not stated; 21 days assumed.

25% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Smilax p. 215Public domain
Show the original text
Smilax (Llliaceae). S. ferox germ. 70L(2/2 in 13th w), 70D(2/3 in 16th w). and 40-70-40(214 in 4th w)-70-40-70(1/4). A true leaf (hypogeal) developed 4 w after germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Smilax p. 215. 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.