Owatonna Groundsmasters is a full service ground maintenance company specializing in underground sprinkler systems, fertilization, weed control, tree spraying, tree and bush trimming and removal, stump grinding, lawn aeration and rolling, decorative curbing, landscaping, dump truck hauling, sodding & slit seeding, dust control, hot & cold pressure washing, mosquito spraying, boxelders, Japanese & Asian beetle spraying, parking lot sweeping and more…