White Snakeroot

• White Snakeroot (Ageratina altissima)

Sun Requirements: Partial shade to full shade

Water Requirements: Moderate; prefers consistently moist, well-drained soil

Height: 2–4 feet

Bloom Time: Late summer through fall

Description: A Texas native perennial featuring clusters of delicate, fluffy white flowers above broad, toothed green leaves. White Snakeroot provides valuable late-season nectar for native bees, butterflies, and other beneficial pollinators. Naturally found along woodland edges and shaded streambanks, it is an excellent choice for woodland gardens, shaded pollinator habitats, and naturalized landscapes.

Planting Tips:

• Plant in partial to full shade with moist, well-drained soil

• Provide supplemental water during extended dry periods

• Allow flowers to mature for natural reseeding

• Can spread aggressively in favorable conditions

• Toxic to livestock and humans if ingested. Keep away from grazing animals.

Ideal Season for Planting in Texas: Fall through spring

Nativity to Texas: Yes