Alan from Sierra Foothills At 4,250ft Elevation Ca writes
We have dozens of trees subjected to latestest CA drought, which are susceptible to beetle infiltration, which is fatal. Tengard has been suggested locally, but from your QA section you mentioned Bora Care is better, but did not mention what is best for live trees. We have a short window to be proactive, and want to make the most informed decision. Also, is straight Permethrin an option? Pro and cons so we can proceed. Thanks
BoraCare is only labeled to be used on cut wood, not live trees. Tengard SFR is a permethrin based product and would be a great choice for helping to prevent an infestation. The tree should be sprayed from the ground to 15 ft up the trunk to prevent future infestations
Answer last updated on: 03/26/2014