Yucca treculeana

Spanish Dagger! This is the easiest of the tree-forming yuccas to grow in areas of high humidity. Here, along the Texas coast, it performs very well and makes a handsome sentinel in the landscape. The flowers are produced in early spring and the spike can be up to 4' tall composed of a hundred or so 2 in. white bells. This is one of the most impressive woody lilies you can grow.
southwest Texas and northeastern Mexico
7 to 10
15 feet x 8 feet

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Notes and observations about this plant

This is really a beautiful yucca.
This is really a beautiful yucca. I fell in love with it the first time I saw it in a Texas store's plant section. I live in usda zone 5b just about an hour south of Kansas City. It gets into the 100's plus in summer and it can dip down to -15 *F or lower in the winter at times. I bought two of these from Yucca Do in 2010. I planted them in my cold hardy cactus bed. During the 2010-2011 winter it got down to -17 * F one night. It was below freezing for 7 plus days. It was pretty wet as well and I did not protect them at all. The crowns rotted but regrew the spring of 2011. I don't know how big they will get this far north but I will be planting more.This yucca is worth trying if you live in the lower midwest. Be sure to put it in as dry and sunny a spot as you can. You would also be surprised with what the protection from a sheet of plastic will do for plants not used to extreme cold. I have grown some warm zone plants with great success always protected by a sheet of plastic in winter. (Posted on 7/10/2012 by Aaron Wollard).

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