Zephyranthes tubispatha
Rio Grande Copperlily
About the plant
What it is and where it grows — not part of any germination protocol.
- Habit
- bulbous geophytePlants of the World Online
- Flower
- YellowRead from the photograph on this page
- Native range
- Argentina Northeast, Bolivia, Brazil South, Paraguay, UruguayGBIF Backbone Taxonomy
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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.
Worth knowing
- Despite the names Rio Grande copperlily and Barbados snowdrop, this bulb comes from southern South America: Brazil, Argentina, Paraguay and Uruguay. It is widely grown and is reported to have gone wild in the southeastern United States, the West Indies, Mexico and India. Wikipedia: Zephyranthes tubispatha
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
No stated waiting before sowing. Then 5 days to germinate.
90% germination in 4–5 days.
Protocol 2
DerivedN. C. Deno, 1993Difficulty Low
Start around February 22, 2027 for a May 3 last frost.
Cold moist stratification
Temperature: 40°F 4°C
Germination happens during step 1, in 42 days.
75% germination in 42 days.
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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