Star Cactus (Astrophytum Asterias) is a perennial cactus in the Cactaceae family with moderate care difficulty. It requires low watering and full sun or partial shade light in USDA hardiness zones 8-11. This plant is safe for cats and dogs.

Astrophytum asterias is a small, spineless cactus native to parts of Texas and Mexico, known for its distinctive star-shaped rib pattern and large yellow flowers with orange centers.

Star Cactus

Star Cactus

Astrophytum Asterias

Astrophytum asterias is a small, spineless cactus native to parts of Texas and Mexico, known for its distinctive star-shaped rib pattern and large yellow flowers with orange centers.

Quick Facts

Type
cactus
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Low
Light
Full Sun, Partial Shade
Hardiness Zones
8-11

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, gravelly, loamy
Indoor:No
Outdoor:Yes
Garden Use:specimen, rock garden accent

Care Calendar

Monthly care tasks for Star 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

Star Cactus
Star Cactus detail

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Taxonomy

Family:Cactaceae
Genus:Astrophytum