Symphyotrichum ericoides (formerly Aster ericoides), with common names white heath aster, frost aster, and heath aster, is a species of flowering plant in the family Asteraceae native to much of central and eastern North America. It has been introduced to parts of Europe and western Asia.

The naturally-occurring hybrid species of Symphyotrichum ericoides and Symphyotrichum novae-angliae (New England aster) is named Symphyotrichum × amethystinum and has the common name amethyst aster. It can grow where the two parents are in close proximity.

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