Ball and Burlap Spring and fall field harvest 1.5"-3.5" trees. Multi-stem & clump form 6'-14'. Please reference current availability for inventory. Bareroot Spring and fall field harvest 1.25"-2" trees. Select varieties will not be harvested in fall using this method. Please reference current availability for inventory. Above ground Inventory Coming 2020 More Information Contract growing is a service we offer and encourage. We enjoy giving nursery tours, so book an appointment, and we would be happy to take you around. Product delivery.