Host an Event Volunteer Join Tickets

Support the plant database you love!


Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or you can choose a plant family:

Ambrosia artemisiifolia var. paniculata

Ambrosia artemisiifolia L. var. paniculata (Michx.) Blank.

Annual Ragweed, Common Ragweed

Asteraceae (Aster Family)

Synonym(s): Ambrosia glandulosa, Ambrosia monophylla, Ambrosia paniculata


USDA Native Status: L48 (N)


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 5 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow , Green
Bloom Time: Jul , Aug , Sep , Oct
Bloom Notes: Flowers are inconspicuous and without ray florets.


USA: AL , FL , GA , KY , LA , MA , ME , MS , NC , NH , NY , SC , TN , TX , VA , VT

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Ambrosia artemisiifolia var. paniculata in USDA Plants
FNA: Find Ambrosia artemisiifolia var. paniculata in the Flora of North America (if available)
Google: Search Google for Ambrosia artemisiifolia var. paniculata


Record Modified: 2018-12-11
Research By: CBR

Go back