Ah-Choo! What's Making You Sneeze?

Click to view larger image.

This information has been reviewed and approved by Ann Hefel, FNP, MS, RN, (February 2016)  

Want to use this on your website? Fill out the content usage request form and then copy this code: 


Summary: Ah-Choo, What’s Making You Sneeze?

Stay ahead of seasonal allergies by taking allergy medication before you have symptoms. Use this calendar to know when your allergy season(s) will start.

  • January —molds
  • February — molds, trees
  • March — molds, trees
  • April — molds, trees
  • May — grass, molds, trees
  • June — grass, molds, trees
  • July — grass, molds, trees,
  • August — mold, ragweed
  • September — mold, ragweed
  • October — mold, ragweed
  • November — mold, ragweed
  • December — mold, ragweed



  • Grows on fallen leaves, compost piles, grasses and grains, and in soil.
  • Warmer climates can have molds year-round.



  • Warmer winters can trigger early pollen release.
  • Common tree allergens: Ash, Birch, Catalpa, Cypress, Elm, Hickory, Maple, Oak, Olive, Pecan, Poplar, Sycamore, Walnut, Western Red Cedar


Grass Pollens

  • Released late spring through mid-summer.
  • Common grass allergens: Bermuda, Johnson, Kentucky Blue, Sweet Vernal, Timothy



  • 75 percent of people are allergic to ragweed
  • Allergenic weeds include: Bottlebrush, Curly dock, Lamb’s quarters, Pigweed, Ragweed, Sagebrush, Sheep's sorrel


Preventive Treatments for Pollen Allergies

  • Take your medications before you have allergy symptoms.
  • Do outdoor activities in the morning when pollen levels are low.
  • Close your windows, even at night, and use the air conditioning.
  • Wash your hands, body and clothes after being outside.


More Information on Allergies

You may use this infographic or our What's Making You Sneeze? (pdf) with permission by completing our content usage request form.