Calico Aster Symphyotrichum lateriflorum Landscape Focus A wispy, late-blooming aster used to weave airy white flowers and pollinator appeal through woodland edges, rock gardens, and naturalized plantings. Plant Details Soil Type: Clay, Loam, Sand Soil Moisture: Dry, Medium Sun Exposure: Full Sun, Partial Sun, Shade Height: 2'-3' Spacing: 1' Bloom Color: White Bloom Time: Sep, Oct Root Type: Fibrous Benefits: Birds, Pollinators, Host Plant (Harris Checkerspot and Pearl Crescent Butterflies), Black Walnut Tolerant Plant Description Calico Aster is a adaptable native perennial that puts on an extended late-season display of delicate white flowers with distinctive maroon and yellow centers, blooming right up to first frost in sunny to shaded settings. Easy to grow in average to dry well-drained soils, it is a lovely addition to woodland edges, rock gardens, and perennial borders, and serves as a larval host plant for Harris's Checkerspot and Pearl Crescent butterflies.