They re not well adapted to areas in the Plains States or Mountain States where summers are hot and dry and winters are severe. Alfred is the only variety that might survive, but it is subject to winter injury if not protected. It is fruitless to attempt to grow these berries in the valleys of Eastern Idaho. There are natural varieties that grow wild in the moutnains and several improved varieties that may be tried if the soil is kept acid. The variety Prunus Virginia grows wild throughout this area.
Selections are worth growing for jelly, syrup, and juice, as well as for ornamental purposes.
The best currants for this area are the red varieties. They are easy to cultivate and pick. They have large, firm fruit and compact clusters. The variety that has yielded the best in trials is Red Lake. Other red varieties that show promise are Cherry, Wilder, and Minnesota 71.