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The disk flowers of calico aster start yellow and age to dark red-purple. Many other asters have disk flowers that change color with age, but the change is particularly striking in calico aster. The resulting multicolor look of the flowers gave rise to the "calico" in the name.

• Family: Aster (Asteraceae)
• Habitat: fields, edges of woods
• Height: 1-5 feet
• Flower size: flowerheads 1/4 to 1/2 inch across
• Flower color: white rays around a yellow to red-purple disk
• Flowering time: August to October
• Origin: native