DIY Gardening: Caring for Fairy Castle Cacti
Experts can’t agree on the scientific names of this cactus. Is it Acanthocereus tetragonus, or Cereus hildmannianus? Is its subspecies uruguayanus, or monstrose? Most people simply prefer its whimsical common name: Fairy Castle cactus. Bright green ‘spires’ and ‘turrets’ rise...