Ragweed is a weed that releases tremendous amounts of pollen in the fall that is the main culprit in triggering the seasonal allergy commonly known as hay fever. It’s a large plant with numerous spikes of tiny green inconspicuous flowers. It forms large colonies in ditches, open fields and near the edge of wooded areas.
Scientific Name Ambrosia species
Common Name(s) Ragweed
Notable Varieties None
Size varies from 4-6 ft tall and 3-4 ft wide
Flower Color(s) Green
Bloom Month(s) September, October
Growing Environment Full Sun, Dry, Moist