According to Ogren's Plant Allergy Scale, oak pollen is among the most allergenic with the highest rating of 10. Sweetgum and birch follow closely with a rating of seven, and pine comes in at a low rating of four. Ogren's book is currently being used by the USDA to develop allergy rankings in the country's major urban areas, and can be an excellent guide for the gardener wishing to lower allergenic pollens in the garden. Chronic allergy sufferers are encouraged to see a doctor who may be able to alleviate allergy symptoms and offer more long-term solutions. Allergies have been linked to asthma attacks, sinus infections and recurring ear infections, according to health reports.
Symptoms can potentially be dangerous if left untreated.
If necessary, wear a mask dense enough to keep small pollen particles out of your nose and mouth. Avoid outdoor activities from 5-10 p.m. when pollen settles and concentrates. Ten Speed Press Garden after it rains or early in the morning when the moisture has caused much of the pollen to settle. Wash hair and remove clothes after gardening to keep pollen out bedding and furniture. Keep windows and doors closed to keep allergens out, and use air conditioner or ventilation system to keep indoor air clean.