Online Gardening

Illinois' Best Plants
Detailed information describes the best plants for your garden.

Plant Introductions
Learn the latest new plants offered through the Chicagoland Grows® Plant Introduction Program.

Invasive Plants List
Don't plant these! Learn to recognize and remove these least-wanted plants, and what to use instead.

Monthly Gardening Checklists
See what needs to be done in your garden — and when to do it.

Plant Profiles
Discover worthy plants for your garden.

Gardening Techniques
From creating a wreath to saving seeds, you'll learn "how-to."

Pests & Problems
Find out what you need to know, with information from cicadas to the Emerald Ash Borer.

FAQs
Check out our popular gardening questions- and-answers site.

USDA Plant Hardiness Zone Map
The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.

At the Garden

Plant Information Service
We answer 31,000 questions each year. Find your answer with one of the options at the left or call the Plant Information Hotline at (847) 835-0972. You can also e-mail us at .

What's In Bloom?
Which plants are blooming right now?

The Joseph Regenstein, Jr. School of the Chicago Botanic Garden
Classes abound for adult and child gardeners of all levels. Members receive discounts.

The Library
View rare horticultural treasures plus 25,000 gardening books, videos, magazines, and more. Members have checkout privileges.

Explore the Garden
Plan many visits to see all 24 display gardens plus the four natural areas.

Plant Collections
Locate exactly where all the 2.2 million plants are displayed.

Plant Evaluation Notes
Download information on plant evaluations at the Garden in PDF format, or subscribe to receive updates via our Plant Evaluation Notes podcast.