Echinopsis pachanoi, Trichocereus pachanoi
San Pedro Cactus

A cactus with a columnar growth habit, often with branching side arms. The body is deeply ribbed and lined with minute spines. The color is medium green to bluish-green. Flowers are large, white and nocturnal.

USDA zones: 8 - 10
Sunset zones: 12 - 13, 16, 17, 21- 24
Mature size: 10 - 20 feet high
Light needs: full sun, light shade
Water needs: low to moderate water