Living With Allergies

Your Monthly Guide to Seasonal Allergy Triggers

Photo of a person walking alone through a lush forest.
Photo by Allie Lehman via Death to Stock

Ever wondered how long seasonal allergies last (or in other words, “when will my misery end”)? The truth is that any season can be allergy season if you’re allergic to the right stuff. Whether it’s tree pollen in early spring, ragweed in the fall, or mold in the winter, every time of year has its own pesky airborne allergen.

So how do you know when to expect the unwelcome arrival of your seasonal allergy symptoms? Well, the first step is knowing what you’re allergic to. And the second step is reading this article to find out which months to mark on your calendar.

Here are the biggest allergy triggers in each month of the year, in every region:

Winter Allergens

December: Mold in the Northeast and Midwest
January: Mold in the Northeast and Midwest and tree pollen in the South
February: Mold in the Northeast and Midwest and tree pollen in the South, West, and Midwest

Spring Allergens

March: Tree pollen nationwide
April: Tree pollen nationwide and grass pollen in the South
May: Tree pollen nationwide and grass pollen nationwide

Summer Allergens

June: Tree and grass pollen nationwide
July: Mold in the Northeast and Midwest
August: Mold in the Northeast and Midwest and ragweed pollen in the Midwest and South

Want to enjoy all the seasons?

Click below for personalized allergy treatment!

Fall Allergens

September: Ragweed pollen nationwide
October: Ragweed pollen and mold nationwide
November: Ragweed pollen nationwide

No matter what you’re allergic to, the best treatment is always prevention. Taking your allergy treatment for a few weeks before coming into contact with an allergen makes it most effective. Check out these articles to learn more about your treatment options:

Hopefully this guide makes it a little easier for you to plan ahead and get the treatment you need before your allergy season arrives.

ARTICLE REVIEWED BYAmina H. Abdeldaim, MD MPHPicnic Medical Director
View medical disclaimer
Get allergy tips and tricks straight to your inbox.It’s not just what you treat with, it’s also how. Learn how to make the most of your meds, avoid common treatment mistakes, and find just what you need to feel your absolute best.
Everyone experiences allergies differently, which is why you need something unique.Through a short quiz, we’ll learn about your symptoms and treatment history. Then we’ll personalize an Allergy Pack with just the right medications for you.