PLANTS FOR MINNESOTA : Page 925
B. Ground Cover. No evergreen ground-cover plants seem toprove hardy in the region covered by this list, and so the plants givenare confined to deciduous shrubs and vines. Perennials can be usedin proportion to the winter protection provided for them.
a. Shrubs:
Artemisia sericea Ribes aureum
Siberian Wormwood Flowering Currant
Comptonia asplenifolia Ribes oxycanthoides
Sweet Fern Wild Gooseberry
Rosa arkansana Spiraea sorbifolia