Dr. Peter Klapper Ph.,D.
Seasonal allergies: they sneak up on you just when you're ready to enjoy the great outdoors. One minute, you’re basking in the fresh air, and the next, you're sneezing like there's no tomorrow. If you’ve ever wondered why your allergies go haywire at different times of the year, this guide is for you. Let’s break it down—season by season—so you know what to expect and when!
Spring (March - June): The Pollen Parade Begins
Spring is beautiful, but for allergy sufferers, it’s the season of doom. As trees wake up from their winter slumber, they release pollen into the air like nature’s version of confetti. Unfortunately, instead of celebrating, your body reacts like it’s under attack.
Major Triggers:
Tree pollen from oak, birch, maple, cedar, and pine
Mold spores from damp, warming environments
Where It’s Worst:
The South and Midwest see an early start to tree pollen season
The Northeast gets hit hard as temperatures rise in late March to April
The West Coast deals with pollen earlier due to milder winters
Pro Tip: Keep windows closed in the morning, as pollen levels peak between 5 AM - 10 AM. Wash your clothes and hair after being outside to prevent tracking pollen indoors.
Summer (June - August): Grass & Mold Take Over
Just when you thought it was safe to go outside, summer allergies kick in. While tree pollen settles down, grass pollen and mold spores take over the scene. If you love picnics and backyard barbecues, this might be your toughest season.
Major Triggers:
Grass pollen (Bermuda, Timothy, Kentucky bluegrass)
Mold spores (especially after summer rains or humidity spikes)
Where It’s Worst:
The Midwest and South suffer most from grass pollen
Humid regions (like the Southeast) see a rise in mold-related allergies
Pro Tip: Mow your lawn in the evening when pollen levels are lower, and wear a mask to reduce exposure.
Fall (September - November): Ragweed Rages On
Ah, fall—cozy sweaters, pumpkin spice, and...ragweed? If your allergies peak in September, ragweed is the likely culprit. This aggressive plant can release over a billion grains of pollen in just one season, and wind can carry it hundreds of miles.
Major Triggers:
Ragweed (dominant in the U.S. from late summer through fall)
Mold spores, which thrive in fallen leaves
Where It’s Worst:
The Midwest and East Coast experience the worst ragweed outbreaks
Anywhere with decaying leaves and damp weather can see mold issues
Pro Tip: Check local pollen counts and wear sunglasses outdoors to keep airborne allergens out of your eyes.
Winter (December - February): Indoor Allergies Take Over
Winter offers a bit of a break from outdoor pollen, but that doesn’t mean allergy sufferers are in the clear. As we crank up the heat indoors, dust mites, pet dander, and mold spores thrive.
Major Triggers:
Dust mites from heating systems
Pet dander from spending more time indoors with furry friends
Mold in humid or poorly ventilated areas
Where It’s Worst:
Cold, dry climates (dust mites love dry heat)
Older homes with poor ventilation
Areas with wet winters where mold can grow
Pro Tip: Use a HEPA filter in your HVAC system and vacuum frequently to reduce allergens inside.
Final Thoughts: Allergy-Proofing Your Year
Understanding seasonal allergies is the first step in managing them. Whether it's tree pollen in spring, grass pollen in summer, ragweed in fall, or indoor allergens in winter, knowing what to expect can help you take proactive steps. Keep an eye on pollen forecasts, minimize exposure when necessary, and talk to your doctor about allergy relief options if symptoms become unbearable.
With a little planning, you can enjoy the beauty of every season—without sneezing your way through it!
The Ultimate Guide to Seasonal Allergies
