I have small growing 5cm usnea growing all over on my maple and plum tree, which seems to be spreading fast. Is it harmful to the trees, or can I just leave it.? I live in Taupo.
Hi Jackie, It’s not a major problem unless it gets really bad this can be sprayed with Lime sulphur at this time of the year (when plant is without leaves)
Thanks the Palmers Team
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