Allergy Season in New Jersey: Peak, Timing and Signs

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New Jersey is widely known as one of the better eastern states for allergy sufferers, but that doesn’t necessarily mean allergy sufferers don’t have symptoms! New Jersey, like much of the East Coast, has a distinct allergy season with various peaks leading to a runny nose and itchy eyes for many.

Today we’re going to look at allergy season in New Jersey to determine its peak, timing, and overall symptoms. In addition, we will examine the plants that cause these symptoms and some ways to treat allergies. Let’s start!

Allergy season in New Jersey

Allergy season in New Jersey typically begins in mid-February. It takes until winter starts to freeze, with the worst months for allergies being April, May, June and September. These are the months when trees, grasses and weed pollen are at their peak. However, the state’s proximity to the sea can bring some relief to residents of coastal towns and cities. The sea breeze can help remove pollen from the air and provides symptom relief for those suffering from seasonal allergies, making New Jersey a relatively mild state when it comes to allergies.

Common symptoms of an outdoor allergy include sneezing, itching, a runny nose and watery eyes. These symptoms can be caused by exposure to pollen from trees, grasses, and weeds. Some people can also experience nasal congestion and a sore throat. An allergic reaction can cause hives, swelling, and difficulty breathing in more severe cases, especially in those with asthma. It is important that people with allergies take preventive measures, many of which we will discuss below.

The plants that cause allergies (by season)


Allergy season in New Jersey can start as early as mid-February and last through May.


Spring is the start of allergy season in New Jersey, with trees and their pollen being the leading cause of allergies. Depending on the tree species, this season can start as early as mid-February and last until May. Some common tree allergies in New Jersey are caused by oak, hickory, ash, walnut, cedar, privet, willow, and mulberry trees. Tree pollen is usually considered to be the finest, meaning it can be easily blown about by the wind and cover entire regions, causing widespread allergies. For many, tree pollen causes the worst symptoms of the entire allergy season.

Allergy Season in New Jersey: Summer

As the season rolls into summer, grass pollen becomes the main cause of problems. The weed allergy season typically begins in May, peaks in June, and ends around August when things cool down. Some of the most common grasses that cause allergies in New Jersey include timothy, bee, corn, spring grass, fescue, orchard, and brome.


Ragweed plantRagweed is a common cause of allergies in New Jersey.


Fall rhymes with weed pollen season, which is among the worst in New Jersey. This season begins in August and ends when the first cold or frosty spell manifests itself. Some common weed allergies in New Jersey include ragweed, lamb quarters, wormwood, and orache. Among weeds, few are as well known or notorious as ragweed, with a single plant releasing over 1 billion pollen particles into the air over the course of a season. In general, the pollen covers that sometimes appear on cars and windows are attributed to ragweed.

Allergy Season in New Jersey: Winter

Winter is a generally quiet time for seasonal allergy sufferers. Unfortunately, people with indoor allergies know that winter is usually pretty bad. Indoor allergens like dust, smoke, dirt, pet dander, mold and more are all at all-time highs during the cold months. Additionally, with the colder weather, people are spending more time indoors. The result is higher exposure to indoor irritants, which can cause problems.

The best allergy medicine


Amazon Basic Care Loratadine Tablets 10mg Antihistamine Allergy Medicine for 24 Hour Allergy Relief Pack of 300

Over-the-counter options like antihistamines and nasal sprays can help relieve symptoms like sneezing, runny nose, and itchy eyes. Often these can be taken daily (with a doctor’s recommendation), and certain combinations can be extremely effective in treating seasonal allergies.

allergy avoidance

One of the best ways to treat allergies is to avoid the allergens that are triggering your symptoms. This may include staying indoors on days with high pollen counts (check local news or weather stations), closing windows and doors to keep pollen out, and avoiding outdoor activities during peak allergy season.


Best for large spaces

Coway Airmega 400 Smart Air Purifier True HEPA Air Purifier

Keep the inside of your home clean by vacuuming and dusting regularly. If cleaning is causing problems, wearing a mask can help reduce allergen exposure. Also, showering before bed and washing linens in hot water can help reduce the number of allergens on your skin and in your bed. Filters and air purifiers are great additions to homes to improve air quality.


Allergy shots, also known as immunotherapy, can help reduce sensitivity to certain allergens over time. This therapy involves regular injections of small amounts of the allergen, which can help build immunity and reduce the severity of symptoms.

home remedies

Some people find relief from symptoms by using home remedies such as a neti pot to flush allergens from the nasal passages or taking a warm bath with Epsom salts to relieve nasal congestion. In addition, consuming local honey can also help build immunity to local pollen.


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