Astrophytum asterias
Common Name: Sand Dollar Cactus

Astrophytum asterias, often called the Sand Dollar Cactus, is a spineless, perfectly symmetrical gem that looks more like a sea creature than a desert dweller. Its flat, disk-like body is marked by 8 distinct ribs, each lined with tiny white tufts (areoles) and sprinkled with a fine coating of fuzzy white trichomes that give it a star-dusted appearance.

Native to parts of Texas and northern Mexico, this rare and highly collectible cactus stays compact and low to the ground. In spring and summer, it produces stunning yellow flowers with orange centers that bloom from the crown—adding even more beauty to its already otherworldly form.

☀ Light Requirements
Prefers bright, indirect light to filtered sun. Outdoors, give it morning sun and afternoon shade. Indoors, place in a well-lit window with good airflow to avoid rot.

💧 Watering Needs
Water sparingly and only when the soil is fully dry. Asterias is particularly sensitive to overwatering and requires excellent drainage. Water even less during winter dormancy.

🌡 Temperature Tolerance
Cold-sensitive. Best kept above 45°F. Protect from frost and prolonged cold. For winter shipping or colder regions, consider adding a [Heat Pack].

✨ Special Features
• Spineless Beauty – Smooth, flat form with no spines—perfect for handling and display
• Stunning Blooms – Bright yellow flowers with orange centers appear at the crown
• Highly Collectible – A must-have species for Astrophytum fans and rare cactus growers

Other Common Names:
Sand Dollar Cactus, Sea Urchin Cactus, Star Cactus

This cactus will ship bare root and will be ready to place directly in a well draining soil mix like our Custom Cactus Mix.

Photos in the listings unless otherwise specified are representative of the plant that will be sent to you.
However, Plants grow differently and each plant may vary slightly in shape, size, growth pattern, etc.
Of course, if you receive a plant that you are dissatisfied with please reach out to us. We want to make it right!

If temperatures near you are below 45℉ we highly recommend adding a Heat Pack to your order.
If temperatures where you live will be much lower than 20℉ even heat packs may not work. You may consider waiting until things warm up a bit. We know you love your plants just like we do and we wouldn't want any of them to freeze.