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Cornell Cooperative Extension

Nassau County

  • Horticulture
  • Natural Resources
  • Energy & Environment
  • 4-H Youth Development
  • DPF 4-H Camp
  • Nutrition, Health & Wellness
  • Food Systems
Tomato plants under grow lights

tomato seedlings

Raspberries

Raspberries

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Fact Sheets

Many new fact sheets have been added to this section of our web site to provide you with even more up to date horticulture information. 

Topics are listed on the left of this page, or use the search box on the top right of every page to find a gardening fact sheet.

Adult Firefly (lightning bug)
Genus: Photinus
Family: Lampyridae
Order: Coleoptera
Class: Hexapoda (including Insecta)
Area: Entomology - General Entomology

Fireflies

Fireflies are not only fun to watch, they also provide natural pest control! Lacewings, spiders and lady beetles also control predators in your garden.

Read more

winterbourne cactus in bloom

Cacti and Other Succulents

All cacti are succulents but not all succulents are cacti. Other than cactus, members of various plant families and genera belong in the succulent category.

Read more

Apple tree with fire blight

Fire Blight

Fire blight is a bacterial disease spread by insects to the blossoms, twigs, and foliage of plants in the rose family. Learn about disease symptoms, the disease cycle, and measures of control.

Read more

Tomato plants under grow lights

Growing Plants Under Lights

Learn about growing plants under grow lights. Understand proper light placement and light selection.

Read more

Last updated December 10, 2021

Fact Sheets

  • Annuals, Perennials, Bulbs & Ferns
  • Diseases of Trees & Shrubs
  • Fruits & Vegetables
  • Home Horticulture
  • House Plants
  • Household Pests
  • Insects on Trees & Shrubs
  • Turf Culture
  • Turf Problems

Useful Links

Visit the Northeast Regional Climate Center at Cornell University

Visit the  Northeast Regional Climate Center at Cornell University.

Visit Cornell Garden Based Learning website

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Events

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    Thursday, June 19
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Cornell Cooperative Extension
Nassau County

CCE-Nassau Main Office
Eisenhower Park, Special Activities Center, Parking Field 8
PO Box 148
East Meadow, New York 11554
TEL: 516-832-2591
FAX: 516-832-2597
nassau@cornell.edu

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