Common ragweed

Common Name:

ragweed, common

Scientific Name:

Ambrosia artemisifolia

Family:

Asteraceae

Lifecycle:

Annual

Features

Three to six foot tall annual herb. Divided simple leaves. Inflorescence at apex.

Description

Problematic weed with respect to sinus allergies. Weed of crops and waste areas.Flowers late summer- August to October. All plants will flower at this time, regardless of size- from 2 to 3 leaf plants to plants 6 feet tall.