Spring Allergy Producing Trees

American Elm. Pollen released in February.

American Elm. Pollen released in February.

Mulberry trees planted at a school.

Mulberry trees planted at a school.

Mulberry Tree - Severe allergy producing in March and April

Mulberry Tree - Severe allergy producing in March and April

Mulberry blossoms grow in clusters called catkins which look like worms.

Mulberry blossoms grow in clusters called catkins which look like worms.

Ash Trees - March/April pollen. Most popular tree being planted nowadays.

Ash Trees - March/April pollen. Most popular tree being planted nowadays.

Cottonwood Tree - April pollen. The "cotton" does not actually cause allergies. It is the microscopic pollen that does.

Cottonwood Tree - April pollen. The "cotton" does not actually cause allergies. It is the microscopic pollen that does.

Pecan trees - May pollen. These are found in the Upper and Lower Valley

Pecan trees - May pollen. These are found in the Upper and Lower Valley

Honey Mesquite. Pollenates late April into May

Honey Mesquite. Pollenates late April into May

Willow trees - May pollen

Willow trees - May pollen

Saltcedar. Its cedar-like foliage absorbs subterranean salt, which it secretes onto the surrounding soil to inhibit the growth of native plants. April to June pollen

Saltcedar. Its cedar-like foliage absorbs subterranean salt, which it secretes onto the surrounding soil to inhibit the growth of native plants. April to June pollen