Bur Oak nuts
Hello, I am so sorry to have missed replying before you left Louisville, but if you are still looking for these items during your next visit, I recommend that you check out the local farmers markets who are your best bets on finding any of these unique seasonal items. The links below are the most up-to-date lists of registered farmers markets in Louisville.
Kentucky Department of Agriculture Registered Farmers Market Directory
City of Louisville Farmers Market Directory