White Snakeroot (Ageratina altissima) vs. Late Boneset (Eupatorium serotinum)

These closely-related plants can be tricky to distinguish, especially early in the season, before they bloom. Although they have some overlap in habitat, late boneset ranges farther south and prefers sunnier, wetter habitats, and is more tolerant of acidic soil, whereas white snakeroot ranges farther north and prefers shadier, drier conditions but requires more neutral soils.

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