Yardley Farmers Market, a producer food market, is open year round. Summer Market is located in beautiful Buttonwood Park, on Buttonwood Drive in downtown Yardley Borough. Access Buttonwood Dr. off Main St. (look for Greetings from Yardley Mural). The Summer Market is held every week from the first Saturday in May through the 3rd Saturday in November from 9 AM to 12 pm. The Winter Market, is held indoors at 1550 Oxford Valley Rd, Yardley PA, is open the 1st and 3rd Saturday of each month for the months of December through April from 10 am to 12 pm.