Zephyranthes tubispatha, the Rio Grande copperlily, is a small South American bulb with single yellow, copper-tinged flowers in late summer and autumn. Plant the bulbs in full sun and give them a sheltered spot, as they tolerate only light frost.
Family
Amaryllidaceae (Daffodil & onion family)
Grows as
Bulb, Perennial
Light
Full sun
Water
Water regularly during the growing season and keep the soil lightly moist, then reduce watering while leaves are absent.
Soil
Well-drained garden soil or loam; avoid waterlogging.
Temperature
18–30 °C; tolerates frost to about 0 °C in a sheltered spot but will not survive freezing.
How easy
Easy
Native range
Bolivia to S. Brazil and NE. Argentina
Climate
subtropical
About
Zephyranthes tubispatha, synonym Habranthus tubispathus, the Rio Grande copperlily or Barbados snowdrop, is a species of flowering plant in the family Amaryllidaceae. It is a perennial bulb native to southern South America (Brazil, Argentina, Paraguay and Uruguay). It is widely cultivated as an ornamental and reportedly naturalized in the southeastern United States (Texas, Louisiana, Mississippi, Alabama, Georgia, Florida), much of the West Indies as well as Bermuda, eastern Mexico, India, Easter Island, and central Chile.
How to grow it
Zephyranthes tubispatha tolerates some frost down to 0 °C (32 °F) if planted in a sheltered sunny position, but will not survive being frozen. It seeds freely. A form with pinkish flowers is grown as var. rosea, but may be a hybrid.
Z. tubispatha has gained the Royal Horticultural Society's Award of Garden Merit.
Text excerpted from the Wikipedia article Zephyranthes tubispatha by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.