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Jane from Sw Washington State writes

How dry does the soil have to be when applying 12 Month Tree&Shrub Protect and Feed?

I live in the Pacific NW and have a lot of rain in spring. My arborist told me to treat my white birch for Bronze Birch Borer now (in midApril). I have clay soil too. We have had continuous rain and the forecast is for more rain for the next week or two. Should I wait until May which will be dryer or should I apply now when the borer insects are starting to come out of hibernation.

Answer:

When applying Bayer Advanced 12 Month Tree and Shrub Protect and Feed II, per the label, the product can be applied anytime except when the soil is waterlogged or frozen. These conditions inhibit the movement of the product down into the root zone. During prolonged dry periods, saturate the soil around the tree or shrub well with water the night before making an application.In addition to that, we would recommend to apply 24 hours after the last rain and/or apply 24 hours before you’re expecting any rain.

Answer last updated on: 04/12/2019

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