Leuchtenbergia principis --Prism Cactus-- Elder (sometimes fermented to denature the

(sometimes fermented to denature the oxalates which can be harmful in large quantities)

likes plenty of water and shade

Rejuvenate existing shrubs by working in a three-inch layer around the base of the plant

Ten days after the flowers bloom

Leaves are light green to blue green with brownish spots

Leuchtenbergia principis --Prism Cactus-- Elder (sometimes fermented to denature theRare, peculiar cactus! Has "tubercles" that mimic the appearance of agave leaves, and explode into hairy filaments at the tips. Makes dramatic, large yellow blooms atop the 24" growth. Often grows alone in clusters of true agave and grasses. Threatened by illegal collection and grazing, it is a protected species in Mexico (NOM 059 SEMARNAT 2010). Full sun to part shade, drought tolerant (water only when soil has dried, very little if at all in