It is possible to experience seasonal allergies at different times of the year depending on the kind that ails you. Usually, a seasonal allergy is experienced when particular outdoor allergens (tree, weed, grass, ragweed pollen) become airborne in great quantities. These seasons often fall between Spring, Summer, and Fall. Of the four major seasons, Spring is the one with the most tendency for your allergies to act up. Seasonal allergies, otherwise known as hay fever ...