Cereus Cactus
Cereus hildmannianus
Also known as: Peruvian Apple Cactus, Monstrose Cactus, Column Cactus
Cactaceae
Last reviewed: June 2026 · Source: ASPCA Animal Poison Control
A tall, columnar cactus with blue-green ribbed stems and spines. Grows impressively upright and eventually produces large, fragrant white flowers that open at night.
Toxicity
Source: ASPCA Animal Poison Control Center. Always consult a veterinarian if your pet ingests any plant.
Care Guide
Pot Size
Frequently Asked Questions
Is Cereus Cactus toxic to cats?↓
No, Cereus Cactus is not toxic to cats and is considered pet-safe according to the ASPCA. It is generally safe to keep in homes with cats.
Is Cereus Cactus toxic to dogs?↓
No, Cereus Cactus is not toxic to dogs. It is listed as non-toxic by the ASPCA and is safe to have around dogs.
How often should I water Cereus Cactus?↓
Water Cereus Cactus every 14–28 days. Allow the soil to dry out completely between waterings — this plant is drought-tolerant and prone to root rot if overwatered.
How much light does Cereus Cactus need?↓
Cereus Cactus thrives in direct sunlight, ideally a south- or west-facing window. It is forgiving and adapts to a range of light conditions.
What size pot does Cereus Cactus need?↓
Use a pot between 6″ and 14″ in diameter. When repotting, choose a pot only 1–2″ larger than the current one — too much space retains excess moisture and can lead to root rot.