Huachuca Mountain Rocktrumpet is a low subshrub, usually under 40 cm tall, from desert and grassland slopes in the southwestern US and northern Mexico. Its key to growing is full sun, sharp drainage and very little water, as it grows on rocky, often limestone soils.
Family
Apocynaceae (Dogbane family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly and let the soil dry fully between waterings; it tolerates drought once established.
Soil
Fast-draining, gritty or rocky mix; limestone-based soil suits it.
Temperature
Tolerates hot desert summers; roughly 10–40 °C, with protection from hard frost.
How easy
Moderate
Native range
SE. Arizona to W. Texas and N. Mexico
Climate
desert or dry shrubland
About
Mandevilla brachysiphon is a plant species with the common name Huachuca Mountain rocktrumpet. It is native to southern Arizona, southwestern New Mexico, Texas, Chihuahua and Sonora. It grows on rocky slopes and plains ion desert and grassland, often on limestone soil.
This is a low plant rarely attaining a height of over 40 cm. It has white, showy flowers that open at night and are very fragrant. The seeds are minutely puberulent.
Text excerpted from the Wikipedia article Mandevilla brachysiphon 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.