Candelabra Cactus. Really beautiful red and green flesh. Tips are pinkish. This plant will get up to 5 feet fall over time. This is in the euphorbia family, not technically a cactus. Drought tolerant, full sun, not freeze hardy.
These are all 5-6" tall.
Euphorbia trigona f rubra, Red Dragon Bones Cactus Tree, Candelabra Cactus, tall succulent plants, 4" pot