Dasylirion longissimum (originating from Mexico) from own plant/succulent collection, stem forming; white flowering, with beautiful dark-green round (in section) leaves; not overfertilised therefore top healthy and robust (100% organic quality before quantity! ), slow growing (with growth pause in winter), conditionally hardy (up to -10C without frost damage), already forming stems; the plant has so far always overwintered successfully outside on the house wall in a dry location, for a (very) sunny location, planted in self-mixed permeable organic substrate (repotting only desired in 2-3years); also happy to plant out in a sheltered location in the garden (avoid waterlogging); enjoy your new hardy Dasylirion longissimum!