Calathea 'Warscewiczii' also goes by its easier to pronounce name: Velvet Jungle Calathea. The leaves do indeed feel velvety and their look is luxurious and exotic. To keep this lovely specimen looking her best keep her in a humid environment and use lukewarm, distilled water rather than tap water. Yes, she's fussy, but she's worth it! All CalatheasĀ prefer lower light conditions and will burn if put directly in a sunny window. Never let Calatheas dry out completely. All Calatheas are 100% non-toxic and considered safe for pets and baby humans.