Zones: Hardy to 0 to 10F but some sites say lower to -15F.
Size: 12 to 15' tall and up to 8' wide
Will produce a trunk to 15'. Thin stiff leaves to 2' long grow in a symmetrical rosette around the trunk. Inflorescence has small white flowers in autumn. Deer resistant. Drought tolerant.
Published in Rep. (Annual) Missouri Bot. Gard. 11: 68 in 1902.
Native to the US (Texas) and Mexico.