A.J.
I'll be watching your post because I was looking for the same thing last week. Afton Apple is a really fun place to go and very family friendly, but I'm pretty sure they aren't organic. Would love to know if you find out differently! We go there every year for apples and pumpkins. The kids have SO much fun there!
We were headed north last weekend and found Finke's Berry Farm (organic strawberries) near Moose Lake. It's about 2 hours away, but not far off the freeway for anyone headed to the Duluth, Cloquet, Iron Range area. We used the "pickyourown" link below to find it. Good luck!