to go brown what is wrong with it? I have had about 3 years and never repotted it
By Jbradford
United Kingdom 
My yukka plant has started to go brown
20 Feb, 2009
Answers
Too wet could also be a problem, or spider mites.
20 Feb, 2009
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could be one of several things, too dry, is the most likely , has it started at the tips of the leaves and worked back towards the stem?. Try misting its leaves. might need a good feed or repotting.
other members might have a better answer Jbradford.
20 Feb, 2009