I saw a photo of your Yucca elata utahensis on another forum and it is a very nice yucca. I only grow regular Y elata here and cant help. I have never noticed scale on yuccas here. I try to be careful buying any exotic further south of me because scale is rampant. My biggest foe is black spot caused by humidity factors I think. |
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Yucca elata utahensis scale problem - AdamNiagara7a August 25, 2013, 2:03 pm
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