The next time the pollen grains are inhaled and embed themselves in the mucous of the nasal lining, the immunoglobulin antibodies of the immune system recognize the foreign protein and produce chemicals such as histamines in response to the insult to the immune system. These histamines cause dilation of capillaries, contraction of the nasal muscles and an excess secretion of nasal fluids. Walla - all of the symptoms of a hay fever attack. Goldenrod has the misfortune of blooming at the same time as the ragweed. Because ragweed flowers are not at all showy, they are often overlooked as people scan the roadsides for the cause of their discomfort.
Goldenrod is largely insect pollinated.
The pollen grains are too heavy for wind transport and must be moved by bees or other insects as they work the flowers. The Arkansas Cooperative Extension Service offers its programs to all eligible persons regardless of race, color, national origin, religion, gender, age, disability, marital or veteran status, or any other legally protected status, and is an Equal Opportunity Employer. The mention of any commercial product in this web site does not imply its endorsement by the University of Arkansas Cooperative Extension Service over other products not named, nor does the omission imply that they are not satisfactory.