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About Grass Pollen Allergies

Find out what grass pollen is, what to watch out for and what to do to help relieve allergy symptoms when outdoors.

1. What it is

Grass produces pollen that affects outdoor allergies. It’s also easily brought indoors by wind, people and pets.

2. When it is in season

This allergy trigger is both seasonal and regional, affecting millions of people in late spring and early summer.

3. What to watch out for

There are over 1,000 species of grass in North America, but only a few produce highly allergenic pollen. The most common grasses that cause allergies are Bermuda Grass, Johnson Grass, Kentucky Bluegrass, Orchard Grass, Sweet Vernal Grass and Timothy Grass.

4. What to know

Learn to recognize the types of grass that trigger your symptoms.

5. What to do

  • Keep the grass in your yard short.
  • Wear a mask to mow the lawn, or ask someone without allergies to help.
  • Think about replacing your grass lawn with low pollen ground cover - Irish Moss, Bunch and Dichondra - or pollen-free features like rocks, sand and water.

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