Deno’s Garden

Scleranthus biflorus

Genus Scleranthus

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Very high Rated by us, not by the source.

Start around February 14, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 13, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

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

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

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

about 12 months from start to sowing. Then 56 days to germinate.

1% germination in 56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Scleranthus p. 61Public domain
Show the original text
Scleranthus (Caryophyllaceae). S. biforus germ. 40-70D-40-70D(1/93 in 8th w) and none in 70D-40-70D-40- 70D.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Scleranthus p. 61. 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
  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Scleranthus p. 61Public domain
Show the original text
Scleranthus (Caryophyllaceae). S. biforus germ. 40-70D-40-70D(1/93 in 8th w) and none in 70D-40-70D-40- 70D.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Scleranthus p. 61. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.