ragweed

IPA: rˈægwid

A plant of the genus Ambrosia. These weeds are particularly noted for producing pollen which people with hay fever are allergic to.

Examples of "ragweed" in Sentences

Those who have problems with weeds, such as ragweed, tend to suffer most mid-August to mid-September.
If you're allergic to other plants, such as ragweed, your risk of an allergic reaction to Calendula may be greater.
Old field plant communities are composed primarily of successional species such as ragweed, asters, goldenrod, sumac, wild carrot and various grasses.
Since response to allergens such as ragweed occurs quickly not only in the nose but also in the sinuses, "you can try treatment before exposure," he said.
In spring, for example, tree pollens make their presence felt most strongly during morning hours, whereas allergens such as ragweed tend to do their damage in the middle of the day during the fall season.
Cetirizine Hydrochloride syrup is indicated for the relief of symptoms associated with seasonal allergic rhinitis due to allergens such as ragweed, grass and tree pollens in adults and children 2 years of age and older.