Astrophytum Asterias is a small, spineless cactus known for its flattened, round shape and distinctive white flecks on the green body. Native to Mexico, it thrives in bright sunlight and well-draining soil, making it ideal for succulent collections, terrariums, or sunny indoor spots.
Full Botanical Name: Astrophytum Asterias
Common Names: Sand Dollar Cactus, Star Cactus
Country and/or Region of Origin: Mexico
Growing Conditions in Native Habitat: Rocky, arid areas with full sun exposure and well-draining soil
Care Guide
Care Guide:
Light: Full sun to bright indirect light; prefers several hours of direct sunlight daily
Ideal Room: Sunny windowsills, greenhouses, or indoor succulent collections
Feeding: Fertilize sparingly with cactus-specific fertilizer during the growing season
Humidity: Low; drought-tolerant
Ideal Temperature: 20–30°C (68–86°F); protect from frost below 5°C (41°F)
Watering: Allow soil to dry completely between waterings; minimal water in winter
Pet/Child Safe: Non-toxic but spines may be present on some cultivars
Soil Type: Well-draining cactus or succulent mix with sand or grit
Propagation: Seed propagation; offsets may be used if available
Eventual Height and Spread: 5–10 cm tall; 5–10 cm wide
Growth Rate: Slow-growing
Pests and Treatment: Mealybugs, scale; treat with insecticidal soap or neem oil
Repotting: Every 2–3 years or when root-bound
Pruning: Remove any damaged tissue carefully
Air Purification: Minimal; primarily decorative
Folklore: Symbolizes resilience, uniqueness, and desert survival
