Soil

Yucca elata

Tree to 15’h.; narrow leaves; pendant blooms

Yucca elephantipes

Y. gloriosa

Fast growing tree to 30 ft. with bright green leaves, large white flowers in summer

Yucca glauca

Short trunk eventually to 6ft. h., rosette to 4ft. across; Pale bell shaped blooms.

Yucca whipplei

Hesperoyucca whipplei

Tree to 20’h.; multi-branched. Frost/Heat hardy

Zamia furfuracea

Cycad

Recommended indoor in the Bay Area. Large cardboard-like leaves on wide spreading fronds. Short trunk very slow to develop.

Zamioculcas zamiifolia

Herbaceous stems and leaves growing from large underground succulent rhizomes. Known for its air-purifying effects, though poisonous itself.