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Fishhook Barrel Cactus

Ferocactus wislizeni

Also known as: Fishhook Barrel Cactus, Candy Barrel Cactus, Arizona Barrel Cactus

Cactaceae

Pet Safe

Last reviewed: June 2026 · Source: ASPCA Animal Poison Control

Fishhook Barrel Cactus

A large barrel-shaped cactus with prominent, hooked red spines. Produces yellow-orange flowers at the top and edible fruits. An architectural statement for sunny indoor spaces.

Toxicity

Toxic to catsSafe
Toxic to dogsSafe
Toxic to humansSafe

Source: ASPCA Animal Poison Control Center. Always consult a veterinarian if your pet ingests any plant.

Care Guide

Care levelEasy
WateringLow — drought tolerant
Watering frequencyEvery 14–28 days
SunlightDirect sun

Pot Size

Recommended pot6″ – 12″

Frequently Asked Questions

Is Fishhook Barrel Cactus toxic to cats?

No, Fishhook Barrel 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 Fishhook Barrel Cactus toxic to dogs?

No, Fishhook Barrel 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 Fishhook Barrel Cactus?

Water Fishhook Barrel 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 Fishhook Barrel Cactus need?

Fishhook Barrel 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 Fishhook Barrel Cactus need?

Use a pot between 6″ and 12″ 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.

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