Fairy Castle Cactus (Acanthocereus Tetragonus) is a perennial cactus in the Cactaceae family with easy care difficulty. It requires drought-tolerant watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is safe for cats and dogs. It can be grown indoors.

Acanthocereus tetragonus is a drought-tolerant cactus known for its distinctive columnar, triangular stems that resemble a castle turret.

Fairy Castle Cactus

Fairy Castle Cactus

Acanthocereus Tetragonus

Acanthocereus tetragonus is a drought-tolerant cactus known for its distinctive columnar, triangular stems that resemble a castle turret.

Quick Facts

Type
cactus
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
drought-tolerant
Light
Full Sun, Partial Shade
Hardiness Zones
9-11

Safety

🐕
Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, gravelly
Indoor:Yes
Outdoor:Yes
Garden Use:specimen plant, drought-tolerant landscaping, ornamental

Care Calendar

Monthly care tasks for Fairy Castle Cactus

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
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Oct
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Nov
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Dec
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Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Fairy Castle Cactus
Fairy Castle Cactus detail

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Taxonomy

Family:Cactaceae
Genus:Acanthocereus