There is much to be found on the internet when it comes to gardening and plants. We have compiled a list of some of our favorite links out there.

We are not responsible for the accuracy of information provided by outside sites. Please use advice at your own discretion. 

Some links you can click on, some you can highlight to open on right click, and some you need to copy and paste.  It is worth the effort--there is lots of information at your fingertips here.


Botanic Gardens

Chicago Botanic Garden

The Morton Arboretum

Garfield Park Conservatory

Missouri Botanic Garden

Extension Sites

U of IL Extension

Illinois Master Gardeners

Wisconsin Extension

General Horticulture

U of I Hort Corner

Ask an Expert

Plants for Wet Sites

Gardenweb Forums

Horticulture Links

USDA Hardiness Zone Map


Plant Databases

Illinois Best Plants

Perennial Plant Association

Ohio State Plant Facts

Upper Midwest Plants

UI Plants: Woody Ornamentals

National Plant Database

VA Tech: Woody Plant Key


Houseplant Pests

Purdue Houseplant Problems

Guide to Houseplants

Carniverous Plant Society



Rutgers Weed Images

Garden Country Weeds


U of I Lawn Talk



Illinois Integrated Pest Mgmt.

Focus on Plant Diseases

U of I Bug Review

Iowa State Entomology



Home, Yard & Garden Pest

Morton Plant Health Report

Poisonous Plant Databases

FDA Poisonous Plant Database

Colorado University Poisonous Plants

Plants Poisonous to Animals



Tallgrass Prairie in Illinois


Gardening for Kids

Kids Gardening

U of I: Great Plant Escape


Cyndi's Garden Catalogs List


National Arborist Association

International Society of Arboriculture


Search Engine


Helpful Tips ? To search for pictures of plants on Google, click the images tab and then type the name of the plant. To confine a search to addresses from universities or organizations, add to the search.