Yucca torreyi

Yucca torreyi grows in general with one trunk, occasionally it will from multiple trunks, they also branch out sometimes.
Because of its long leaves and less regular head of leaves which are upright or in various angles, it is not so popular.
The leaves are rigid and 80-140 cm long and 4-5 cm wide.
The Y.torreyi has in general a yellow-green colour, but an attractive blue-green form also occurs in the Big Bend Area in west Texas.
The inflorescence starts in a beautiful purple colour and the flowers later develop a completely creamy white.
Y. torreyi occurs in northeast Mexico and the states of Texas and New Mexico and is very cold hardy, down to -15°C.