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Tree Allergy Culprits!

tree pollen

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There are hundreds of types trees that can cause tree allergy symptoms and hay fever. However, a few primary types of trees are responsibile for the majority of suffering caused each year.

Silver Birch

Locations: Northeast, Northwest, parts of Midwest

birch tree pollen

Silver Birch pollen becomes airborne in early spring (March-April) and may cause a rash in addition to hay fever symptoms. In addition, people with silver birch pollen often suffer from "cross-reactivity". Up to 60% of those who suffer from it will get a tingling sensation in their lips and tongue when eating an apple.

The immune system identifies the birch and apple allergens as being the same! Other "cross-reactivity" reactions can also occur with parsnip, potato, carrot and hazelnut.


Locations: Pacific Northwest, Southwest, South

cedar pollen cedar tree

Locations: Pacific Northwest, Southwest, South

Anyone who lives in texas can tell you that Cedar trees produce the most reactive tree pollen than any other plan they've encoutered. In factc cedar pollen is one of the most allergic plant pollens in existence! On top of this, Cedar tends to strike at a time when other pollinating plants are dormant: during the winter months.


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Locations: Southern states, and extensively throughout Texas

oak pollen oak tree

From February to late May, Oaks produce an enormous amount of pollen. Oak Allergy sufferers experience the worst symptoms during mid April. Oaks are easily identifiable by the "fruit" they produce: acorns.

If Oak pollen is present in the air, your car will often take on a smudged and yellow hue from the accumulation of pollen.


Locations: All of USA

ash tree ash pollen

Ash are large, native, decidious trees that produce copious amounts of potent pollen. Various ash species are hardy in almost any zone.

Ash trees are easy to identify by their oar-shaped helicopter seeds, which spin rapidly as they descend to the ground.

Ash trees tend to have a relatively short pollinating season of approximately two weeks. Ash tree pollination tends to peak during late March or early April during the same time that Birch pollen is present.

Return to Tree Pollen from Tree Allergy