manuka and kanuka for my permaculture hedgerow Feb 5, 2013 21:21:51 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by mountaindweller on Feb 5, 2013 21:21:51 GMT -5 Everything which has etheric oils is a risk. As gum trees and even everything citrus. Tea tree has high etheric oils, I would plant it a bit away from the house.