While conditions vary from state-to-state -- sometimes making what works well in one inadvisable in another -- many other land grant universities have excellent online information that can be adapted to New York conditions. If you're in doubt, contact your local office of Cornell Cooperative Extension.
Ohio State Yard and Garden Online Factsheets - Topics on trees, shrubs, groundcovers, flowers, fruit, vegetables, lawns, insects & pests, landscaping, specialty gardens, weed control, soil management, nursery, landscape and turf image library, factsheet series, etc. OSU's PlantFacts site also features databases of factsheets, videos, plants.
University of Maryland Home and Garden Information Center - Includes plant diagnostic website and Northeast gardener 'Q & A hotline'
Purdue University, Consumer Horticulture - A wide variety of information of interest to the home gardener, including the virtual plant and disease diagnostic laboratory.
Missouri Extension Service Horticulture Publications - Factsheets on fruits, vegetables, flowers, houseplants, lawns, trees, shrubs, landscaping, weed control, garden soils, propagation.
Michigan State University's Master Gardener Page - Many useful links.
© Copyright, Department of Horticulture, Cornell University.
Website design: Craig Cramer email@example.com
Mention of trade names and commercial products is for educational purposes; no discrimination is intended and no endorsement by Cornell Cooperative Extension or Cornell University is implied. Pesticide recommendations are for informational purposes only and manufacturers' recommendations change. Read the manufacturers' instructions carefully before use. Cornell Cooperative Extension and Cornell University assumes no responsibility for the use of any pesticide or chemicals. Some of the links provided are not maintained by Cornell Cooperative Extension and Cornell University. Cornell Cooperative Extension and Cornell University are not responsible for information on these websites. They are included for information purposes only and no endorsement by Cornell Cooperative Extension or Cornell University is implied. Cornell Cooperative Extension provides equal program and employment opportunities.