There are many wonderful resources available for trees, landscaping, and turf care.
The Chicago Botanic Garden - Check out their horticulture website to submit photos for plant, insect, or disease identification as well as tons of great information on lawn care, monthly gardening checklists and more.
The Morton Arboretum - a wealth of information on selecting which tree to plant, advice on maintenance, and current regional disease and insect information.
Illinois Extension - find information on gardening fruits and vegetables, pollinators, composting, and more
Benefits of trees - trees mitigate stormwater, save us money on air conditioning costs, have a positive impact on our mental health, among countless other benefits.