Description for Acanthocereus tetragonus
Plant height: 2 – 4 inches
Plant spread: 1 – 3 inches

Acanthocereus tetragonus is a tall, columnar cactus.
Stems are dark green, have three to five angles.
Flowers are open from midnight until dawn, attracting hummingbird moths.

Common name(s): Fairy Castle Cactus, night-blooming cereus, barbed-wire cactus, sword-pear, dildo cactus, triangle cactus
Flower colours: White
Bloom time: Rainy season
Max reachable height: Up to 2 to 7 M
Difficulty to grow: Easy to grow