25 Plants That Grow in Clay Soil The Spruce
Silphium plants are distinctive prairie plants that like the rich quality of clay soil. The plants hold their sunny golden flowers high above the foliage. Besides the compass plant, the shorter Silphium integrifolium (Rosinweed) also makes a good choice for clay soil. USDA Growing Zones: 3 to 8; Color Varieties: Yellow; Sun Exposure: Full sun