Living Rock Cactus
Ariocarpus fissuratus
succulentAn extremely slow-growing cryptic cactus that resembles a small rock, with flat, warty tubercles arranged in a rosette pattern native to Texas and Mexico. It produces delicate pink or yellow flowers in autumn and stores water efficiently in its tuberous root system. Highly prized by collectors for its unique appearance and challenging cultivation requirements.
Common Problems
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Care Guide
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Light
Bright indirect light; tolerates some shade; protect from intense afternoon sun in hot climates
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Water
Water very sparingly; allow extended drying between waterings; minimal water in winter; overwatering is the primary cause of failure
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Soil
Extremely well-draining, gritty mix with minimal organic matter; use cactus soil amended heavily with coarse sand, perlite, and gravel
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Fertiliser
Rarely fertilize; apply very diluted cactus fertilizer once during growing season if desired; unnecessary for slow growers
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Temperature
Prefers 50–70°F (10–21°C); tolerates down to 25°F (-4°C); benefits from cool, dry winter rest period
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Humidity
Extremely low; absolutely critical to maintain arid, dry conditions; excess moisture fatal
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Non-toxic; no significant hazards
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.