Stockton Christmas Tree Collection December 24, 2017 Email 12-24-17 Recycle your Christmas tree curbside! Between December 26 and January 15, place your Christmas tree next to your cart for collection. Your service provider will remove the Christmas tree to be properly recycled. Please note: All tinsel, metal ornaments and metal stands must be removed from the trees. If your tree is longer than six feet, it must be cut in half to be collected.