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About the plant What it is and where it grows — not part of any germination protocol.
Flower Blue Wikipedia Toxicity is noted only where a source states it. No note here is not a finding of safety.
Source: Wikipedia — Wikipedia contributors.
Worth knowing This hound's tongue, formerly Cynoglossum grande, is the only species in its genus. Adelinia honors Adeline Etta Cohen, born in 2014, the daughter of the botanist James I. Cohen, who described it. Native Americans prepared its roots to treat burns and stomach aches. Wikipedia: Adelinia This source reports two treatments. Both are shown.
Protocol 1 N. C. Deno, 1996 Difficulty Low Rated by us, not by the source.
Start around February 1, 2027 for a May 3 last frost.
1 Cold moist stratification
Temperature: 40°F 4°C
Germination happens during step 1, in 63 days.
100% germination in 42–63 days.
Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cynoglossum p. 36Public domain Show the original text Cynoglossum (Boraginaceae). C. grande germ. 40(100% in 6-9 w) and none in 70D or 70L. The seeds all rotted in 70 GA-3. A prior 3 m in 70D or 70L speeded up the germination at 40 so that it occurred in the 4th w after the shift to 40. Seeds DS 6 m, 1 y, or 2 y still germ. 100% at 40. Ali rotted in OT, and the seeds are probabty killed by winter temperatures here. Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cynoglossum p. 36. 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, 1996 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, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cynoglossum p. 36Public domain Show the original text Cynoglossum (Boraginaceae). C. grande germ. 40(100% in 6-9 w) and none in 70D or 70L. The seeds all rotted in 70 GA-3. A prior 3 m in 70D or 70L speeded up the germination at 40 so that it occurred in the 4th w after the shift to 40. Seeds DS 6 m, 1 y, or 2 y still germ. 100% at 40. Ali rotted in OT, and the seeds are probabty killed by winter temperatures here. Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cynoglossum p. 36. Quoted exactly. Every value on this card comes from this record; 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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