Dear Good Fruit Grower: Can sweet cherries be grown in USDA climate zone 4—successfully? I live 20 miles north of Minneapolis in Minnesota. In the spring of 2008, I put in a test plot of sweet cherries. I planted 170 bare root trees in a Spanish Bush setting of six feet between trees and eight feet between rows. I put in six different rootstocks and 22 different varieties, all planted on a sandy loam soil in an open area. In the spring of 2009 (after winter temperatures as low as –26°F), 138 trees froze out. In the spring of 2010 […]