Cornell Cooperative Extension

Warren County
Hovey Pond Garden
Image by Julie Nathanson

Butterfly at Hovey Pond

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Gardening and Landscape

Cornell Cooperative Extension provides Warren County residents with timely information about such topics as growing plants, care, and troubleshooting of home lawns, landscapes, flowers and gardens, household pests, and nuisance wildlife to name a few. Call the education center for more information regarding your home horticulture questions at 518-623-3291 or 518-668-4881 or warren@cornell.edu

Apples on the tree at Cornell Orchard (Cornell University Photography)

Commercial Horticulture Program

The Eastern New York Commercial Horticulture Program provides educational programs and information to growers and agri-business professionals, arming them with the knowledge to profitably produce and market safe and healthful horticultural crops.

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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.

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The clitellum or collar of the jumping worm goes all the way around the body and is smooth. The worms are very active and have a sheen to them. When disturbed, the jumping worm (amyhthas agretis) will actively trash and flip, slither snake-like, and may shed their tails.

Jumping Worms!

This invasive pest alters the structure and chemistry of the soil, and can damage lawns, landscapes and even the forest understory habitat. Learn to identify them here.

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close-up photo of soil after tilling

Test Your Soil!

Learn the correct way to gather soil for a soil test at Cooperative Extension.

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Last updated January 28, 2025

Gardening & Landscape

Find Your Zone!

USDA Plant Hardiness Zone map, 2012

Did you know … In Warren County, the USDA plant hardiness zones are primarily 4a (-30 degrees to -25 degrees F) for the northern end of the County and 4b (-25 degrees to – 20 degrees F) for the southern end of the County. The last average Spring frost for the County falls usually between May 15- 20. The first average fall frost for the county is generally from September 10 – 20.

Picture of a flower bed

Events

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Be sure to "LIKE" CCE Warren County Master Gardeners on FACEBOOK so you'll receive regular updates on our classes and events!


Now is the time of year for brown marmorated stink bugs to look for overwintering spots in homes and buildings. Learn how to identify them and prevent them from entering your home with Cornell’s Community IPM guidelines at:

Community IPM: The Unwelcome House Guest: Brown Marmorated Stink Bug – A Guide for Residents, Property Managers, and Pest Management Professionals

Cornell Insect Diagnostic Laboratory: Brown Marmorated Stink Bug