To prevent you from having to make one of those dreaded phone calls yourself, we spoke with Joe Ferrari, owner of plant store and garden shop ... numerous species of hoya plants, and they're ...

glauca; panda plant (Kalanchoe tomentosa); yucca (Y gigantea and Y aloifolia), hens and chickens (Sempervivum); Haworthia; Hoya; the pony tail palm or Beaucarnea recurvata (a succulent rather than ...