Astrophytum asterias, commonly known as the Sand Dollar Cactus or Sea Urchin Cactus, is a unique and visually striking succulent native to Mexico and Texas. Its distinctive rounded shape and whitish-yellow spines make it a popular choice among cactus enthusiasts.

 * You will receive ONE (1) 2” plant, unless stated otherwise. Refer to our FAQ for more information.

Astrophytum Asterias Sand Dollar Cactus Care

Watering

Astrophytum asterias prefers a cautious approach, with the soil allowed to dry out completely between waterings to prevent root rot. During the winter months, it enters a dormant period and requires even less water.

Light

This cactus thrives in bright, indirect sunlight, making it suitable for sunny windowsills or outdoor areas with partial shade. It can tolerate full sun but may require some protection during the hottest parts of the day.

Temperature

Astrophytum asterias prefers temperatures between 70°F to 90°F (21°C to 32°C) during the growing season, but it can withstand cooler temperatures down to 50°F (10°C) in winter.

Soil Mix

A well-draining soil mix, such as cactus or succulent mix combined with perlite or coarse sand, is essential to prevent waterlogging and ensure proper drainage.

Humidity

While this cactus can tolerate low humidity, it benefits from occasional misting in dry indoor environments

Fertilizer

ertilize Astrophytum asterias sparingly with a balanced, water-soluble fertilizer diluted to half-strength during the growing season to support its growth.

Toxicity

Astrophytum asterias is not known to be toxic to humans or pets, but handling with care is still advisable due to its spines.