For a mixed shrub border
I'm looking for a summer- or fall-blooming groundcover to underplant a mixed border of viburnum, daphne and taxus. Full sun, my base soil is sandy loam, pH about 7.5 with about 20% compost added to the top 6 inches. Typical Midwest summers, so I'm looking for something that doesn't have to stay constantly moist.
I'm thinking of:
Any comments or other suggestions?