Sea Urchin Cactus (Coryphantha Echinus) is a perennial cactus in the Cactaceae family with moderate care difficulty. It requires low watering and full sun light in USDA hardiness zones 7-10. This plant is safe for cats and dogs. It can be grown indoors.

Coryphantha echinus is a perennial cactus species known for its distinctive spiny appearance and yellow flowers.

Sea Urchin Cactus

Sea Urchin Cactus

Coryphantha Echinus

Coryphantha echinus is a perennial cactus species known for its distinctive spiny appearance and yellow flowers.

Quick Facts

Type
cactus
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Low
Light
Full Sun
Hardiness Zones
7-10

Safety

🐕
Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, gravelly, rocky
Indoor:Yes
Outdoor:Yes
Garden Use:specimen, groundcover, drought tolerant plant

Care Calendar

Monthly care tasks for Sea Urchin 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

Sea Urchin Cactus
Sea Urchin Cactus detail

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Taxonomy

Family:Cactaceae
Genus:Coryphantha