Here are more flowers that will grow happily on a clay soil.
Aster spp. ? Zones 3 to 8
Wonderful as cut flowers, asters make any garden burst with color, particularly at the end of the growing season. From tiny alpine varieties to giants that reach 6 feet tall, this plant prefers full sun to partial shade.
Gardener?s Secret: If you live in a northern area, plant asters early so they have time to settle in before winter.
Potentilla fruticosa ? Zones 2 to 7
When many other flowering shrubs? colorful show is all but a memory, potentilla, or bush cinquefoil, is just beginning its long blooming season. The blossoms of this drought-tolerant plant will last until the first hard frost and is one of the best plants for clay soil.
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