Based on 1,922 research-grade iNaturalist flowering observations in New York, White Snakeroot blooms mainly from August to October, peaking in October. It ranks #2 among wildflowers recorded in the state in our data.
Ageratina altissima
White Snakeroot in New York by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also in bloom in New York in October
New England aster
Bluestem Goldenrod
American Witch-Hazel
Chicory
Northern Seaside Goldenrod
Common Blue Wood Aster
Frost Aster
Groundsel Tree
Places to look in New York
Botanical GardenNew York Botanical Garden
Botanical GardenBrooklyn Botanic Garden
State ParkAdirondack Park
Botanical GardenQueens Botanical Garden
State ParkFranklin D. Roosevelt Four Freedoms Park
Botanical GardenPlanting Fields Arboretum State Historic Park
FAQ
When does White Snakeroot bloom in New York?
Mainly August–October, with the most records in October.
How common is White Snakeroot in New York?
It ranks #2 by number of iNaturalist flowering observations among wildflowers in New York (1,922 records in our sample).