Why are allergies caused? Mums help stretch the allergy season well into the fall. In colder climates, molds can be found in the outdoor air starting in the late winter to early spring, especially during the rainy season. © 2005 - 2019 WebMD LLC. Causes of pollen allergy. Christmas plants Like all plants, Christmas plants can cause their share of allergies. Found all over the Northern, Western, and Midwestern states, these plants make large amounts of pollen (second only to ragweed and grasses) and are very likely to cause allergy symptoms. An allergic reaction to plants can take many forms, with the specific signs of the reaction depending on which bodily tissues have been affected by, or in contact with, the plant causing the allergy. The actual allergy to pollen is called hay fever, which is caused when pollen is dispersed through the air. During growing seasons, pollen spreads through the air and fertilizes plants. Pollen is one of the most common triggers of seasonal allergies. Airborne molds are well-known causes of allergic rhinitis and asthma symptoms. Irritant contact dermatitis arises in those with sensitive skin, if they've handled the plants too much, or if the plants have prickles or barbs. Also, avoid male palms, and get a female palm instead, in order to avoid the pollen that male palms produce. It is not usually the showy, spring flowering trees that are triggering your allergies. Pollen is one of the most common causes of allergies in the United States. In the spring, tree pollen is the biggest factor, whilst early-mid summer is dominated by grass pollen. When it comes to house plants, you're more at risk for an allergic reaction if you're allergic to mold than pollen. Poison ivy may come to mind, but many common garden plants can also be skin irritants for sensitive people. That thick yellow layer of powder all over your car is likely from pine trees, but it’s probably not what’s making you sneeze. Other common sources of weed pollen include sagebrush, pigweed, lamb’s quarters and tumbleweed. For example, a single ragweed plant can generate a million grains of pollen every day. If you are allergic to pollen, you should avoid flowering houseplants like orchids, Stephanotis, spider plants, and any other flowering houseplant. Take care before you bring a bouquet of these into the house. This is relatively rare but unpleasant to deal with. Not all asters are nightmares for your nose. Dioecious plants: These plants are separate-sexed. It’s thought to be a major cause of allergies in the Northwest, on the East Coast, and in California. There’s a reason the local news provides regular updates on pollen counts each spring: Tens of millions of Americans suffer allergy symptoms caused by exposure to tree, grass and weed pollens. Grasses and trees, too, are important sources of allergenic pollens. Pollen is the main cause of hayfever or seasonal allergic rhinitis. This plant looks a lot like tumbleweed, but it doesn’t make nearly as much pollen. These evergreen trees found all over U.S. make a huge amount of pollen in the spring. Spring blooming plants include oak, birch, hickory, pecan, and even some grasses produce pollen. Most spring-flowering bulbs are not the culprits causing allergy symptoms early in the season; if you're sneezing it's a good chance the problem is caused by trees. There are some pollen-free sunflower varieties, like 'Apricot Twist' and 'Joker,' that are listed as hypoallergenic, because their pollen is too heavy to be windborne. Take a look at a list of some common garden plants that you should avoid if you have pollen allergies. Ragweed is the major culprit, but others of importance are sagebrush, redroot pigweed, lamb's quarters, Russian thistle (tumbleweed), and English plantain. Tomato plant allergies can be mild, or they can be extremely severe, causing a great deal of discomfort. Introducing "One Thing": A New Video Series, Chamomile (Matricaria recutita, Chamaemelum nobile). The two may be confused or possibly grouped together in pollen counts. Plants can cause allergic reactions by other means other than just by contact. Of the thousands of plants in California only a few cause pollen-related respiratory allergies. It probably won’t cause any problems for you unless you live or work right near one. All rights reserved. Those with Mesquite allergies may suffer from nasal inflammation, nasal congestion, sneezing, scratchy throats, contact … Most of those have heavy pollen and their flowers attract insects for pollination. Some plants produce allergic reactions to many people. Houseplants Causing Allergies. 2. Ragweed It’s found in most Northern, Western, and Southern states, but grows best in the cooler regions north of Georgia and west of Texas. Plant and Tree Pollen. Basically, any flowering houseplant has the potential to cause airborne allergens because of their pollen production. Also in the aster family, daisies may look pristine and tame, but this plant is a high pollen producer. Ragweed tends to grow alongside roads and in vacant lots. Some of these changes in pollen due to climate change could have major impacts on human health such as increasing individuals’ exposure to pollen and their risk of having allergy and/or asthma symptoms. Examples of common allergens are pollen, foods, and mold.. Mums help stretch the allergy season well into the fall. Bonsai trees are often of the juniper and cedar variety and are known for causing allergy symptoms, like their larger outdoor versions. These trees grow throughout the U.S. and make pollen in the spring. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts, Sign Up to Receive Our Free Coroanvirus Newsletter, How to Exercise Outside When You Have Allergies. The cause that produces pollen allergy is the overreaction that the body undergoes when in contact with the pollen of certain plants. Monoecious plants that are wind-pollinated are likely to cause allergies. Grasses are the most common cause of allergy. The major allergy-triggering culprits to watch for are: Arizona cypress; Ash; Aspen; Beech; Birch; Boxelder; Cedar This tree grows in all but the coldest northern parts of the continental U.S. and makes pollen in the fall. Even though most asters are not wind-pollinated, many people with allergies are sensitive to the pollen. Juniper trees are a common source of allergies due to the pollen they create and those with Juniper allergies are also likely to be allergic to Cedar and Cypress tree pollen. Many people are allergic to oak pollen, and because the trees are common in residential areas and parks, there can be a ton of it floating through the air. Similarly, you might be curious about the best indoor plants for asthma and allergy sufferers. Plants such as cacti, kiwis, and potatoes rely on this type of pollen. This triggers an allergic reaction which affects the respiratory system. Chrysanthemums are hardy plants that come in a huge range of colors and sizes. If you are allergic to pollen, you should avoid flowering houseplants like orchids, Stephanotis, spider plants, and any other flowering houseplant. It starts in January, and some of these trees and bushes can make pollen until May or June. Ragweed is not considered a garden flower, but it is included here because it is so often confused with goldenrod (Solidago), which is a lovely garden plant that has gotten a bum rap. It grows to 40 to 60 feet tall with a full oval crown. Later in summer weeds begin to pollinate and this can continue well into autumn. Many people know pollen allergy as “hay fever.” Experts usually refer to pollen allergy as “seasonal allergic rhinitis.” Each spring, summer and fall, plants release tiny pollen grains to fertilize other plants of the same species. They can have small yellow or white flowers and grow 1 to 10 feet tall, depending on the type. Fortunately, not all flowers trigger allergies. Pollen is one of the most common causes of allergies in the United States. Often, the soil in potted plants, terrariums, dried flowers and Christmas trees retain moisture and harbor mold. Medically Reviewed on 11/13/2019 If you’ve been told you have a pollen allergy, then you’ve had an allergic reaction to the fine powder that comes from the stamen of flowering plants. Pollen is found on the plants and trees and it causes the watery eyes, stuffy nose. Allergic contact dermatitis to a plant is not contagious and the blister fluid does not spread the rash. As spring approaches and flowers and plants start to bloom, pollen fills the air. While this post may not cover all of those plants which are responsible for allergies you will be of to a good start as to what to avoid so that you can have the best spring ever. It’s the wind-pollinated plants that cause the most problems for allergy sufferers. Wind-dispersed pollen is a serious problem for most allergy sufferers. Ferns tend to thrive in damp soil so should also be avoided. Sometimes it is just a certain part of the plant that irritates, like the sap of Euphorbia or the roots of hyacinth. These trees use the wind as their favorite means of pollen transport to others of their own species for pollination. THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. The major allergy-triggering culprits to watch for are: If you've removed pollinating flowers and trees from your yard but are still suffering from allergies, keep in mind is that any outdoor flowers that are brought inside may be even more irritating. (In which case, look for other triggers setting off your sneezing.) Lolium multiflorum is the main pollinosis causing grass in Southern Brazil. Although the mission of pollen is to fertilize parts of other plants, many never reach their targets. View our slideshows to learn more about your health. Its pollen season runs from August to November -- levels are highest around mid-September. It is, however, a relatively rare cause of allergy because the type of allergens in pine pollen appears to make it less allergenic. Pollen Allergy. The pollen from this tree can cause severe allergic reactions for some people, particularly in the winter. Chrysanthemums are hardy plants that come in a huge range of colors and sizes. These trees use the wind as their favorite means of pollen transport to others of their own species for pollination. If you suffer from pollen allergies in the late summer and fall, then most likely you are affected by ragweed. By using The Spruce, you accept our. It’s found in most of the warmer states, often planted on front lawns. Some dahlia hybrids classified as "formal doubles" have virtually no pollen. Spider Plants. Pollen allergy causes allergic rhinitis. However, people with plant allergies may have a bad reaction to ferns. It is intended for general informational purposes only and does not address individual circumstances. Swedish ivy makes a great hanging plant, … Some plants pollinate more in the spring while others do so in the fall months, such as August and September. Of all the things that can cause an allergy, pollen … About Spring Allergy Flowers. One of the most common Christmas plants is the poinsettia. It is not usually the showy, spring flowering trees that are triggering your allergies. It can be worse on hot, dry, windy days. What Are Flowers Allergy Sufferers Can Enjoy? The fever caused due to pollen grains is known as hay fever because it was discovered in the haying season. It’s also something we can control by adjusting our landscapes to reduce plants that cause allergies. Pollen is also produced by the grass and blows in the wind so can … For the pollen to get from the male flower to the female flower, it has to travel and the wind is often the easiest way to disburse it. In addition, most allergy-causing pollen comes from plants that produce it in huge quantities. Grasses "It is very unlikely for cut flowers or indoor plants to be a cause of hay fever from pollen inside the house," says Jorgensen. Ragweed A quick glance at most pollen calendars will tell you that there are three main causes of seasonal allergic rhinitis. Plants that produce wind-blown pollen, many of which are trees, make life miserable for millions of human allergy sufferers each year.A large number of tree species produce extremely small pollen particles from their male sexual parts. Although they are beautiful, they should be avoided. If the allergy began in winter, it can extend into spring. In addition, hyacinth bulbs can cause itching and inflammation when handled. Robinson, MD on November 13, 2019, Allergy, Asthma, & Immunology Foundation of Northern California: “Pollens and Other Allergens.”, Cornell University Climate Smart Farming: “USDA Plant Hardiness Map.”, National Institute of Environmental Health Sciences: “Pollen.”, Pollen.com: “Bermuda Grass,” “Juniper,” “Blue Grass,” “Nettle,” “Ragweed,” “Sagebrush,” “Tumbleweed,” “Lamb’s Quarters,” “Walnut,” “English Plantain,” “Pine,” “Cottonwood, Poplar.”, Reviewed by Jennifer Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. AAFA (American Association for Asthma and Allergy) is trying to reduce the plants and trees that cause allergies in the different cities. While spring is generally considered the worst allergy season, the fall also brings allergy irritation for many people.This is because some plants don't produce much pollen … Your living environment may contain a variety of animal and plant life, most of which can become a source for allergens, the triggers of allergic reactions. But the sturdy Chinese elm has stepped in. Instead, pollen enters human noses and throats, triggering a type of seasonal allergic rhinitis called pollen allergy. Although everybody loves roses, they come with an abundance of pollen that can exacerbate your allergy and asthma symptoms. The plant has low levels of pollen, but its strong fragrance can irritate allergy sufferers. Among North American plants, weeds are the most prolific producers of allergenic pollen. And their pollen season is long, too. The correct name for hay fever is seasonal allergic rhinitis. If you think you may have a medical emergency, immediately call your doctor or dial 911. The aster family resemblance is strong in chrysanthemums, as is the allergy-inducing pollen. Researchers say that generally one out of five people in the world suffer from pollen allergy. How to Attract Bees and Other Pollinators to Your Garden, 36 Plants That Can Irritate Your Skin or Worse, How to Grow Mexican Hat Plants (Ratibida columnifera). Pollen is found on the plants and trees and it causes the watery eyes, stuffy nose. If untreated, allergy symptoms resulting from mountain cedar can develop into a severe infection, such as pneumonia. They can be present outdoors and indoors. Allergies are not usually triggered by highly flowered plants as they produce less pollen (which is transported by bees) than wind pollinated plants. Below are some of the most important plants implicated in pollen allergies. Allergic reactions can range from mild to severe. Insect-pollinated plants have bright flowers and heavy, sticky, pollen grains that tend to stay put and cause few allergies. 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