Contents
Description
Ariocarpus Retusus, commonly known as Living Rock Cactus or Star Rock Cactus, is a unique cactus species that belongs to the Cactaceae family. It is native to Mexico, specifically the states of Coahuila, Nuevo León, and Tamaulipas. This cactus is highly valued by collectors for its slow growth rate and its unusual shape, which resembles a rock or a star.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Ariocarpus |
Appearance
Ariocarpus Retusus is a small cactus that grows up to 10 centimeters in diameter and 4-6 centimeters in height. Its body is flattened and has a grayish-green color with a rough texture. The cactus is covered in tubercles, which give it a star-shaped appearance. The tubercles have woolly areoles that produce white, yellow, or pink flowers that bloom in late summer or early fall. The flowers are followed by small fruits that contain numerous seeds.
Care Guide
Ariocarpus Retusus is a slow-growing cactus that requires minimal care, making it an ideal choice for beginners. Here is a care guide for this plant:
- Water: This cactus is adapted to drought conditions and should be watered sparingly. Water only when the soil is completely dry, and avoid getting water on the tubercles to prevent rot.
- Fertilization: Fertilize this cactus sparingly during the growing season with a cactus-specific fertilizer.
- Soil: Use a well-draining soil mix that is specifically designed for cacti and succulents.
- Sunlight: Ariocarpus Retusus prefers bright, direct sunlight. Place it in a south-facing window or outdoors in a sunny location.
- Hardiness Zones: This cactus is hardy in USDA zones 9-11.
Common Pests & Diseases
Ariocarpus Retusus is generally resistant to pests and diseases. However, it may occasionally be affected by mealybugs, spider mites, or root rot. To prevent these issues, avoid overwatering and inspect the plant regularly for signs of pests or disease. If you notice any problems, treat them promptly with a cactus-specific insecticide or fungicide.
Habitat
Ariocarpus Retusus is native to the Chihuahuan Desert in northern Mexico, where it grows in rocky areas, canyons, and limestone hills. It prefers well-draining soils and a dry climate with hot summers and mild winters.
Question and Answer
Q: How often should I water my Ariocarpus Retusus?
A: Water your Ariocarpus Retusus sparingly, only when the soil is completely dry. This cactus is adapted to drought conditions and can easily rot if overwatered.
Q: Is Ariocarpus Retusus hard to grow?
A: No, Ariocarpus Retusus is relatively easy to grow as long as you provide it with well-draining soil, bright sunlight, and minimal water. It is a slow-growing cactus, so don’t expect it to grow quickly.
Q: Can I propagate Ariocarpus Retusus from cuttings?
A: No, Ariocarpus Retusus cannot be propagated from cuttings. The best way to propagate this cactus is by sowing seeds.
Q: How long does it take for Ariocarpus Retusus to bloom?
A: Ariocarpus Retusus typically blooms in late summer or early fall, when it produces white, yellow, or pink flowers. However, it may take several years for the plant to reach maturity and bloom.
Related Plants
- Ariocarpus Fissuratus
- Ariocarpus Kotschoubeyanus
- Ariocarpus Trigonus
- Ariocarpus Agavoides
References
- “Ariocarpus retusus.” Cactus Art Nursery. Retrieved from https://cactus-art.biz/schede/ARIOCARPUS/Ariocarpus_retusus/Ariocarpus_retusus/Ariocarpus_retusus.htm
- “Ariocarpus retusus.” World of Succulents. Retrieved from https://worldofsucculents.com/ariocarpus-retusus-living-rock-cactus/
- “Ariocarpus retusus.” PlantFiles. Retrieved from https://davesgarden.com/guides/pf/go/2119/
