Winterhaven Vineyard and Nursery specializes in the newest cold hardy wine grapes from the University of Minnesota, Elmer Swenson, and Dave McGregor. ORDER NOW FOR 2018. DO NOT EMAIL ORDERS. CALL YOUR ORDER IN AND CALL WITH SHIP/ PICKUP DATE. 507-234-5469 OR 507-317-7914 NEW - FRONTENAC BLANC and ITASCA (Now as Bareroot Vines) taking orders for 2018!!