Hey Steve. I was recently told by a volunteer at PDN that the purple winter foliage is soil related. I have transplanted my winter purple aloifolia and they retain the coloration but I guess there could be soil elements clinging to the roots causing the coloration. Don't know what to think for certain.
Pender Co. NC USDA Zone 8a
Seasonal color changes in Yucca aloifolia - Steve in N Alabama z7b October 24, 2017, 6:22 pm
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