Colorful Mid-to-Late Summer Perennials for Clay Soil in Zones 3–4

Tough Plants for Tough Soil

Amended clay in Zones 3–4 supports many vibrant perennials. Check University of Minnesota’s zone lists.

Top Picks

• New Zealand asters, Alpine asters
• Sedum ‘Autumn Joy’
• Chrysanthemums (hardy types)
• Columbine – plant in full sun, amend with composted manure
• Bee balm – needs good air circulation

Low-Maintenance Strategy

Choose spreading, long-blooming natives. Mulch heavily. Divide every few years.