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About the plant What it is and where it grows — not part of any germination protocol.
Habit perennial or subshrub Plants of the World Online
Flower Pinkish-mauve Flora of Pakistan Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: Plants of the World Online — Royal Botanic Gardens, Kew; Flora of Pakistan — S. I. Ali and M. Qaiser (eds.).
Worth knowing The woolly rock jasmine of the western Himalaya has trailing stems, reddish when young, and gray-green hairy leaves. It holds the RHS Award of Garden Merit. Wikipedia: Androsace lanuginosa This source reports two treatments. Both are shown.
Protocol 1 N. C. Deno, 1993 Difficulty High Rated by us, not by the source.
Start around December 26, 2026 for a May 3 last frost.
1 Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
2 Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C
about 3 months from start to step 2. Germination happens during step 2, in 10 days.
20% germination in 6–10 days.
Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Androsace p. 93Public domain Show the original text Androsace (Primulaceae). The book "Androsace? by G.F. Smith and D. Lowe is devoted entirely to the genus. The only specific information on seed germination is that a low T cycle is not necessary which is not entirely in accord with the present work. The genus is divided into four sections: Pseudoprimula (P) which resemble Primula, Chamaejasme (C) which are mats of rosettes spreading by runners, Aretia (Ar) which are high alpine cushions, and Andraspis (An) which are winter annuals of lower elevation. The section is indicated for each species. Most of the data was obtained before the standardization of experiments. A. lanuginosa (C) germ. 70(17% on 5th d) and 40-70(20% in 6-10 d). A second sample germ. abundantly at 70 in 2-4 w. Seed Germination Theory and Practice, 2nd ed., Ch. 20, Androsace p. 93. 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 N. C. Deno, 1993 Difficulty High Rated by us, not by the source.
Start around March 31, 2027 for a May 3 last frost.
1 Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 5 days to germinate.
17% germination in 5 days.
Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Androsace p. 93Public domain Show the original text Androsace (Primulaceae). The book "Androsace? by G.F. Smith and D. Lowe is devoted entirely to the genus. The only specific information on seed germination is that a low T cycle is not necessary which is not entirely in accord with the present work. The genus is divided into four sections: Pseudoprimula (P) which resemble Primula, Chamaejasme (C) which are mats of rosettes spreading by runners, Aretia (Ar) which are high alpine cushions, and Andraspis (An) which are winter annuals of lower elevation. The section is indicated for each species. Most of the data was obtained before the standardization of experiments. A. lanuginosa (C) germ. 70(17% on 5th d) and 40-70(20% in 6-10 d). A second sample germ. abundantly at 70 in 2-4 w. Seed Germination Theory and Practice, 2nd ed., Ch. 20, Androsace p. 93. 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. How each step is done , in Deno’s words, and what Verified and Derived mean.
Germination trials Readers’ own records of sowing this species, published after review. Share your trial · All trials
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