Epilobium canum subsp. latifolium
Hummingbird Trumpet · Hummingbird-flower
Also published as Zauschneria arizonica, Zauschneria latifolia. 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, SubshrubPLANTS Database
- Native range
- North AmericaGBIF Backbone Taxonomy
- Native range
- Native to the lower 48 statesPLANTS Database
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: PLANTS Database — USDA NRCS; 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 21, 2027 for a May 3 last frost.
Cold moist stratification
Temperature: 40°F 4°C
80%, in 11-15 days -- it germinates in the cold.
Warm moist stratification
Temperature: 70°F 21°C
A further 2%.
No stated waiting before sowing. Then 15 days to germinate.
80% germination in 11–15 days.
80% in the cold itself, in a fortnight. Better and faster than sowing warm.
This source doesn't state how long.
Protocol 2
DerivedN. C. Deno, 1993Difficulty Moderate
Start around March 6, 2027 for a May 3 last frost.
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 30 days to germinate.
75% germination in 30 days.
75% at 70, and a month about it.