Arizona cypress is a conifer tree native to the southwestern US and northern Mexico, grown as an ornamental for its blue-green foliage and tolerance of dry conditions. It is best given full sun, good drainage and room to reach its full size.
Family
Cupressaceae (Cypress family)
Grows as
Tree
Light
Full sun
Water
Water deeply but infrequently, letting the soil dry between waterings once established.
Soil
Well-drained soil, tolerant of alkaline and poor soils.
Temperature
Hardy to about -18 °C; tolerates hot summers; protect young trees from severe cold.
How easy
Easy
Native range
C. & SE. Arizona to W. Texas and N. Mexico
Climate
temperate
About
Hesperocyparis arizonica, the Arizona cypress, is a species of conifer in the cypress family, Cupressaceae, native to the southwestern United States and Mexico. Populations may be scattered rather than in large, dense stands.
Where it grows
Hesperocyparis arizonica is found mainly in northern Mexico in the states of Chihuahua, Coahuila, Durango, Tamaulipas, and Zacatecas. It is also found in small areas of the southwestern United States in the southern parts of Arizona, New Mexico, and Texas. In the US it is found at 1,000–1,500 m (3,000–5,000 ft) elevation, while in Mexico it reaches as high as 2,200 m (7,200 ft) in some forests. In the wild, the species is often found in small, scattered populations, not necessarily in large forests. An example occurrence is within the Sierra Juárez and San Pedro Mártir pine–oak forests of Mexico, where it is found along with canyon live oak and California fan palm.
Uses
Arizona cypress is widely cultivated as an ornamental tree. Unlike Monterey cypress, it has proved highly resistant to cypress canker, caused by the fungus Seiridium cardinale, and growth is reliable where this disease is prevalent.
Text excerpted from the Wikipedia article Hesperocyparis arizonica 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.