The classes are taught in the fall and spring by Master Gardeners and Cooperative Extension horticulturists. Their aim is to improve residents' landscapes at the least cost to the environment and natural resources. They use all the mass media available and reach many thousands of citizens. Cooperative Extension's Integrated Pest Management Program uses the media, publications and audio-visual techniques for promoting plant health. Kids are introduced to plants, animals, history, Native-American culture, geography and the agriculture, mining and entertainment industries.
Workers learn about pesticide safety, water conservation and integrated pest management.
They take an exam and receive a certificate. More than 100 Latino nursery workers have been trained in gardening techniques by Cooperative Extension professionals, in Spanish.