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Common Plants That Cause Allergies

Allergy season can be brutal to people who are sensitive to pollen. Allergic rhinitis, also known as hay fever, is triggered by tiny particles of pollen in the air. It can cause watery eyes and a stuffy nose whenever a strong wind blows through a field. There are some plants and trees that do trigger the most cases of hay fever, including the following.


Ragweed is located in fields, rural areas, roadsides, and on riverbanks. Most of it is found in the Midwest and in the Mississippi river basin, and it will cause the most problems in summer and fall. Around 75% of Americans who have plant allergies are particularly sensitive to ragweed, all of which can travel on the wind.

Mountain Cedar

Mountain cedar, also known as Ashe juniper or blueberry juniper, is an evergreen tree that can be found in the mountains of Arkansas, Missouri, Texas, Oklahoma, and parts of New Mexico. The pollen from this tree can cause severe allergic reactions for some people, particularly in the winter. If the allergy began in winter, it can extend into spring. If untreated, allergy symptoms resulting from mountain cedar can develop into a severe infection, such as pneumonia.


Ryegrass is a type of tufted grass found in dry, cool lawns, meadows, and pastures. It is generally located in the northern areas of the United States and can cause issues in spring and summer when it pollinates. While grass as a whole causes problems for people with allergies, grass species can cross-pollinated, meaning they are likely to be allergic to a slew of other species.


Maple trees can be found along streams and in woods in the Eastern United States and Canada. It usually pollinates and causes allergy issues around early spring. Some people might even experience an allergic reaction to maple syrup.


Elm can be cultivated and can be found in wetland habitats in the Eastern and Midwestern United States. The American Dutch elm can cause problems in spring, while the lacebark elm causes problems in fall.


Mulberry trees can be found in the woods and river valleys of the Eastern United States. They usually cause problems from winter to summer. While these aren’t the source of the most potent allergens, they have been known to trigger hay fever.


Pecan trees can be found in woods and orchards on the western fringe of the Southeastern United States, North Florida, Georgia, Indiana, and Ohio. It releases the most pollen around springtime and can cause allergies almost as severe as ragweed.


Oak trees can be found in the woods in Florida, and the Coastal Plain from Texas to Virginia. It releases a ton of pollen in spring. While the pollen is less potent, it produces the most pollen for the longest season.

Pigweed/ Tumbleweed

Pigweed, also known as tumbleweed, can be found on lawns and roadsides throughout the western and northern United States. They can appear from spring to fall and can collect a cloud of dust, pollen, and mold as they move with the wind.

Arizona Cypress

Arizona cypress trees can be found in the Southeastern United States wherever there is well-drained soil. It causes the most allergies in spring, but in warm climates, it can cause pollen problems for more than half of the year.

If you’re having severe allergy issues, don’t hesitate to talk to one of our Plantation allergy specialists.  South Florida Allergy Center, Inc. can help. We offer several allergy treatments that can identify and help you cope with your allergies. Our physicians understand an allergic reaction can interfere with your daily life. Let us see what we can do for you.

Contact us at (954) 883-9449 or fill out our online form to book an appointment with us today.