It looks like many sprout fields are starting to get a little height. Tip die back has started so we aren't going to get a whole lot more height. Consideration should be given to keeping the leaves on the plant as long as you can into the fall. A leaf rust spray applied soon will help do that, and allow for better fruit bud formation.
We are seeing blueberry maggot adults appear in fields. Controls should be applied if you are catching adults and plan to harvest that field. Go to the pest management guide for allowable products http://www.perennia.ca/wp-content/uploads/2018/06/Wild-Blueberry-Pest-Guide-2018.pdf.
Remember - check with your buyer to see which products are allowable for their markets.