Early to mid-May is the best time to apply beneficial nematodes to Connecticut lawns, according to Richard Cowles, an associate researcher at the Connecticut Agricultural Experiment Station. Nematodes need moist soil, high humidity, moderate temperatures and minimal amounts of direct sunlight, the University of Connecticut's Integrated Pest Management Service advises.
About this Author
Cameron Delaney is a freelance writer for trade journals and websites and an editor of non-fiction books. As a journalist, Delaney worked for wire services, newspapers and magazines for more than 20 years. Delaney's degrees include a bachelor's in journalism from Penn State and a master's in liberal arts from University of Denver.