Deno’s Garden

Androsace laggeri

Genus Androsace

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around January 11, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 84 days to germinate.

100% germination in 35–84 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Androsace p. 13Public domain
Show the original text
Androsace (Primulaceae). A. carnea alba germ. 40(100% in 5-12 w) and 70L-40(100% in 10th w). Seeds DS 1 y failed to germinate and are presumed dead.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Androsace p. 13. 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 Moderate Rated by us, not by the source.

Start around July 30, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 29, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 6 months from start to sowing. Then 70 days to germinate.

100% germination in 70 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Androsace p. 13Public domain
Show the original text
Androsace (Primulaceae). A. carnea alba germ. 40(100% in 5-12 w) and 70L-40(100% in 10th w). Seeds DS 1 y failed to germinate and are presumed dead.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Androsace p. 13. 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.