Roy from Andover, Oh writes
I have cimarron ash trees (about 30 and in key locations in my development) about 10 inches in diameter bought from a nursery and planted about 20 years ago. All the white ash trees in my area are slowly dieing with the emerald ash borer. I assume these cimarron ash trees are vulnerable? if so, what product should I purchase to try and protect them and what time of year should I use it? How much shoulod I buy?
We would recommend using Domnion 2L. It is labeled for use on trees for emerald ash borers as a preventative and a curative. This only needs to be done once a year. The mixing ratio is 0.1 to 0.2 fl oz per inch of the trunk diameter. This needs to be mixed in at least 5 gallons of water and poured around the roots of the tree.
Answer last updated on: 01/06/2017
