Cornell Cooperative Extension

Onondaga County
hydrangea
Image by Sandy Repp

Pink Hydrangea

Lawns & Ornamentals

Find links to resources on annuals, perennials, native plants, trees and shrubs, to help you have a more beautiful lawn and home landscape. 

pansies

Help Choosing Annuals

Find Cornell and other resources that will help you to choose annuals for your soil, climate and shade conditions.

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Cool Season grasses and broadleaf weeds in a closeup of a lawn

Sustainable Lawns

Find out how to grow a dense, vigorous lawn that will provide many environmental benefits, in these links, videos and resources from Cornell!

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milkweed blossom

Native Plants

Native plants deserve a place in your garden, and they offer many advantages over non-native species. Find a list of suggested varieties here.

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Japanese maple, Acer palmatum Thunb.

Trees & Shrubs

Ornamental trees and shrubs can enhance the beauty of your home landscaping. Find some suggested varieties here.

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Last updated July 26, 2019

Lawns & Ornamentals

Soil Testing

Master Gardener volunteer conducts a pH soil test on a soil sampleLearn why you should test your soil and how to take a soil sample, on our Soil & Climate pages. 

Find Your Zone!

Plant Hardiness Zone MapThe 2012 USDA Plant Hardiness Zone Map helps gardeners and growers determine which plants are most likely to thrive at a location. For the first time, the map is available as an interactive GIS-based map, for which a broadband Internet connection is recommended. Users may also simply type in a ZIP Code and find the hardiness zone for that area. 

Events

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