Epilobium canum subsp. garrettii
Hummingbird Trumpet
Also published as Zauschneria garrettii. You are in the right place.
About the plant
What it is and where it grows — not part of any germination protocol.
- Habit
- Perennial, Forb/herb, Subshrub
- Native range
- Native to the lower 48 states
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Source: PLANTS Database — USDA NRCS.
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty Low
Start around March 8, 2027 for a May 3 last frost.
Cold moist stratification
Temperature: 40°F 4°C
93%, over 2-4 weeks -- it germinates in the cold.
No stated waiting before sowing. Then 28 days to germinate.
93% germination in 14–28 days.
93% in the cold. Like its relative, this one prefers to come up cold.
This source doesn't state how long.
Protocol 2
DerivedN. C. Deno, 1993Difficulty Moderate
Start around February 8, 2027 for a May 3 last frost.
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 56 days to germinate.
59% germination in 14–56 days.
59% at 70, and slower with it.