Incarvillea mairei
About the plant
What it is and where it grows — not part of any germination protocol.
- Native range
- China South-Central, Qinghai, Tibet
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Source: GBIF Backbone Taxonomy — Global Biodiversity Information Facility.
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty Low
Start around March 31, 2027 for a May 3 last frost.
Sow and cover
Temperature: 70°F 21°C Light: dark
No stated waiting before sowing. Then 5 days to germinate.
90% germination in 3–5 days.
Deno reads the whole genus as a dark-at-70 germinator.
Protocol 2
DerivedN. C. Deno, 1993Difficulty Moderate
Start around March 30, 2027 for a May 3 last frost.
Cold moist stratification
Temperature: 40°F 4°C
Warm moist stratification
Temperature: 70°F 21°C
Six seeds of eleven, in 2-6 days.
No stated waiting before sowing. Then 6 days to germinate.
55% germination in 2–6 days.
This source doesn't state how long.