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A small, slow growing cactus from Eastern San Luis Potosi, Mexico. I got it as Turbinicarpus schmiedickeanus var. polaskii but the variety name has not been validly published
and my plant belongs to Turbinicarpus schmiedickeanus ssp. schwarzii . The Cactus-art says: "It’s a fairly easy species to cultivate. It needs a very well-drained soil, and requires strong sun to part sun to keep the plant compact and low and to develop a good spinal growth. Waterings should be rather infrequent to keep the plant compact, and avoid its becoming excessively elongated and unnatural in appearance. Furthermore it has a tap root, and watering it properly is often difficult, because it tends to crack open or rot if over-watered. Keep dry in winter, or when night temperatures remain below 10° C. It is hardy to -4°C for a short period. Assure a good ventilation." |
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