Q.Plum trees
I have 2 plum trees that I planted last year. I just checked them and they have a split in the branches that I believe to be a canker (fungi). What shold I do? The dormant oil that I use on my apple trees does not list plums on the lable.
Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on March 23, 2012
The dormant oil you have should be fine for the plum tree. I can't say 100 percent for sure, because I don't know exactly the brand you are using, so you may want to call where you bought it at and ask a nursery worker to confirm that it is safe for plums.
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