Allergy Season in Delaware: Everything You Need to Know (2024)

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Delaware is known for its scenic nature, Mid-Atlantic beaches, and cities like Dover and Wilmington. While it isn’t one of the worst states for those with allergies, those in Delaware can still have trouble finding an effective allergy treatment that works for them.

Wyndly is an excellent resource for allergy sufferers. Our allergy doctors will create a personalized treatment plan to help provide you with long-term relief from your allergies. Schedule a consultation today to get an individual treatment plan, or read on to learn more about Delaware’s seasonal allergies.

What Are Seasonal Allergies?

Pollen is the primary trigger of seasonal allergies, also called allergic rhinitis. Pollen is only released by plants during certain times of the year. Because of this, unlike other allergies, seasonal allergies aren't year-round. Delaware's primary pollen producers are grasses, trees, and weeds.

When Is Pollen Allergy Season in Delaware?

Depending on what you are allergic to, you can experience allergy symptoms at any time of year in Delaware. Pollen allergies will flare up in the spring, summer, and fall, while indoor allergies can cause allergic reactions at any point in the year.

In Delaware, spring's primary allergen is tree pollen. In summer, it is grass pollen. The fall is when weeds produce pollen, so these allergies will worsen in late summer and up until the end of allergy season.

Delaware is in the Mid-Atlantic Coastal allergy region. Each region has slightly different allergens and allergy seasons, so we've compiled some region-specific information for allergy season in Delaware.

Northeast Allergen Zone Map

When Does Allergy Season Start?

Delaware allergy season starts in the spring. Because Delaware has a colder winter, seasonal allergies will commonly begin in mid-February. This is a pretty average allergy season length. But despite this, Delaware is one of the better eastern states for those with allergies.

What Months Are Delaware Allergy Season?

In Delaware, you’ll want to keep an eye on pollen counts in April, May, June, and September. These months are when seasonal allergies are typically at their peak. During these months, limit your time outdoors during the day and when pollen counts are high.

If you have seasonal allergies and are traveling to Delaware during April, May, June, or September, make sure you have an allergy treatment plan that works for you before your trip. During your trip, check the local pollen count daily to adjust your plans accordingly.

When Does Allergy Season End?

Winters in Delaware are fairly cold. Residents typically get a break from their seasonal allergies after the first freeze. Even though Delaware might not have as many outdoor allergens to worry about during the winter, indoor allergens can still cause issues for many allergy sufferers.

If you suffer from indoor allergies, such as allergies to dust mites, pet dander, or mold, you might notice that they worsen during the winter if you spend more time inside than usual.

Common Allergens

While this is not a comprehensive list, some of the most common seasonal allergens in Delaware include:

Read more about allergies in Delaware.

What Are Seasonal Allergy Symptoms?

There are several common symptoms you may experience during allergy season. The allergy symptoms you will experience in Delaware will vary based on the severity of your allergies and the time of year you are in Delaware. Symptoms you might experience in Delaware include:

  • Runny nose
  • Watery and itchy eyes
  • Congestion
  • Headaches
  • Sneezing
  • Fatigue
  • Painful sinuses
  • Rash or hives
  • Post-nasal drip
  • Aggravated asthma symptoms

How to Prepare for Seasonal Allergies in Delaware?

If you think you are suffering from seasonal allergies, take an allergy test to identify what allergens are triggering your symptoms. The easiest way to get an allergy test in Delaware is by ordering Wyndly’s at-home allergy test. Get your allergy test today to identify your allergies!

By understanding what allergies are causing your symptoms, it will be easier for you to avoid your triggers and find effective treatments.

Who Are Delaware Allergy Doctors?

In Delaware, there are several different types of providers you can go to for your allergies. The most common types of allergy doctors are allergists or immunologists and ENTs. When choosing an allergy doctor, the most important thing is choosing a provider you trust.

It is also essential to work with a doctor who will consider both your test results and your allergy history. It would help if you also thought about how long you will need to wait to be seen by them and how convenient it is for your schedule.

At Wyndly, we provide effective, convenient treatment. Our allergy doctors will create a personalized treatment plan for you based on your allergy test results and your allergy history to get long-term relief from your symptoms.

Allergy Symptom Relief and Treatment

Allergies can feel difficult to manage, but there are several different methods you can try out to decrease or eliminate your allergy symptoms.

Limit Exposure

An effective method of decreasing your symptoms is limiting your exposure to the allergens that are triggering your allergies. While pollen can be difficult to avoid, there are ways that you can decrease your exposure to pollen in Delaware.

  • Check daily pollen count: Keep an eye on pollen levels to see how high they are in Delaware for the day. If it’s a high pollen count, try limiting your time outside that day. Pollen tends to be at its highest in the morning and afternoon in Delaware. Evening hours will be the best time to go outside during the Delaware allergy season.
  • Wear a mask outdoors: Wearing a dust mask when you go outside in Delaware can help prevent pollen from getting into your airways.
  • Clean regularly: Pollen is a very sticky substance, meaning it’ll get in your home and on you and your clothes. Be sure to clean your house and do laundry frequently. Also, make sure to shower after being outdoors to wash off any pollen.
  • Keep windows closed: Opening your windows will allow more pollen into your home. Keep your windows closed and run your A/C instead for the allergy season in Delaware.
  • Install a HEPA filter: Installing a HEPA filter on your A/C can help reduce the pollen levels circulating in your home.


Over-the-counter (OTC) medications are widely available in Delaware and provide short-term relief from allergy symptoms. If you find that antihistamines, nasal sprays, and eye drops don’t provide enough relief from your seasonal allergies, you can look into allergy treatments that will provide long-term relief instead of just masking your symptoms.

Sublingual Immunotherapy

Sublingual immunotherapy exposes your body to small doses of your allergens, allowing your immune system to become desensitized. Once desensitized, you’ll stop reacting to the allergens, resulting in long-term changes and a life without allergies. Sublingual immunotherapy is as effective as other allergy relief methods, with the benefit that it can be safely taken at home without the need for uncomfortable doctor visits.

Getting sublingual immunotherapy in Delaware is easy and convenient. You can get it shipped right to your home!

The Best Allergist in Delaware for Seasonal Allergies

Are you looking for long-term relief from your seasonal allergies in Delaware? Choose Wyndly. Wyndly’s doctors can provide you with a personalized treatment plan that will address your specific allergy profile.

Take our easy online assessment now to start on the path toward lifelong allergy relief.

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