Lophocereus marginatus
Native range: Central Mexico
Known names: Mexican Fencepost
Hardiness: Best kept above freezing
Mature Size: ~15' tall
Light: Prefers full sun
Water: Let soil dry out for several days between watering. Keep dry during colder months.
Soil: Succulent mix.
Dormancy Period: N/A
Pet-Safe: No
Plant Size: Grown in 2" pot
 

Upright-growing cactus. The common name comes from the practice of growing these cactus as natural, living fences in their natural habitat. The amount of ribs can vary due to genetic differences but they all have very similar appearance with maturity.