Cornell Cooperative Extension

Delaware County

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Cornell Cooperative Extension

Delaware County

  • Agriculture
  • Energy
  • Family & Nutrition
  • Horticulture
  • Natural Resources
  • 4-H Youth
  • 4-H Camp Shankitunk
hydrangea
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Pink hydrangea

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Lawns & Ornamentals

Find resources here to help you have a beautiful lawn and home landscape.

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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coneflowers and black eyed susans (echinacea & rudbeckia)

Easy Care Perennials

Perennials offer year after year of blooms for your garden, and are a smart investment in your garden. Visit our resources to learn more.

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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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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 December 9, 2024

Lawns & Ornamentals

  • Annuals
  • Perennials
  • Sustainable Lawns
  • Trees & Shrubs
  • Native Plants

Find Your Zone!

Visit the USDA hardiness zone map online

The 2023 USDA Plant Hardiness Zone Map helps gardeners and growers determine which plants are most likely to thrive at a location. 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.

visit gardening.cals.cornell.edu

Events

    vintage Memorial Day card showing a dove of peace, a cannon and the American flag
  • CLOSED for Memorial Day
    Tomorrow
    8:00 AM - 4:30 PM
  • Produce Washing and Packing Facility Tour
    Tuesday, June 3
    10:00 AM - 12:00 PM
  • CLOSED for Juneteenth
    Thursday, June 19
    8:30 AM - 4:30 PM
  • CLOSED for Independence Day
    Friday, July 4
    8:00 AM - 4:30 PM
  • CLOSED for Labor Day
    Monday, September 1
    8:30 AM - 4:30 PM

See more

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Cornell Cooperative Extension
Delaware County

CCE Delaware County
34570 State Highway 10, Suite 2
Hamden, New York 13782
TEL: (607) 865-6531
FAX: (607) 865-6532
delaware@cornell.edu
Monday-Friday 8:00am - 4:30pm

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