Giant Barrel Cactus (Echinocactus Platyacanthus) is a perennial cactus in the Cactaceae family with moderate care difficulty. It requires low watering and full sun light in USDA hardiness zones 9-11. This plant is safe for cats and dogs. It can be grown indoors.

Echinocactus platyacanthus is a large, slowly growing barrel cactus known for its massive, globose to broadly columnar shape and spiny surface.

Giant Barrel Cactus

Giant Barrel Cactus

Echinocactus Platyacanthus

Echinocactus platyacanthus is a large, slowly growing barrel cactus known for its massive, globose to broadly columnar shape and spiny surface.

Quick Facts

Type
cactus
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Low
Light
Full Sun
Hardiness Zones
9-11

Safety

🐕
Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, gravelly, rocky
Indoor:Yes
Outdoor:Yes
Garden Use:specimen, groundcover, xeriscaping

Care Calendar

Monthly care tasks for Giant Barrel Cactus

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

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

Giant Barrel Cactus
Giant Barrel Cactus detail

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Taxonomy

Family:Cactaceae
Genus:Echinocactus