Bluegrass • Poa \’blü-, gras\ Grasses Conditions: Allergic rhinitis; allergic asthma; allergic conjunctivitis. Symptoms: Itchy, stuffy, or runny nose; post-nasal drip; sneezing; itchy, red or watery eyes; asthmatic symptoms. Physical description: Perennial, short to medium-tall, cool-season, sod-forming grass that can grow between 1-3 feet in height. Environmental factors: A common lawn grass that also growsin prairies and fields, mountain grasslands, mountain … Continue reading Bluegrass