Chicago Botanic Garden

YOUR GARDEN — Plant Information

Garden Pests & Problems

Visit us onsite or online. The Chicago Botanic Garden offers its resources to all gardeners.

At the Garden, you can take a course, attend a lecture, buy a gardening book, meet 2.2 million garden plants or have your mystery plant identified.

Online gardeners can help themselves to all the detailed plant and gardening information we provide to make their own gardens healthy and beautiful.

Anthracnose of shade trees April - May
Apple scab May - August
Aphids May - September
Botrytis blight on ornamental plants May - October
Cedar-apple, cedar-hawthorn & Cedar-quince rust July - August
Cicada, Periodical May - July 2007
Dutch elm disease May - October
Emerald Ash Borer June - July
Euonymus scale All year
Frost cracks December - March
Gypsy moths June - August
Iris borer April - July
Japanese beetle July - August
Lawn grubs August - September
Magnolia scale May - September
Mosquitoes and gardening April - October
Poison ivy April - October
Salt and snow injury December - March
Spider mites June - September
Verticillium wilt June - October
Voles All year
Webworm August - October
Weevils May - September
Winterburn March - April
White-tailed deer All year

 

For a one-on-one consultation, visit the Plant Information Service at the Gateway Visitor Center or call the Plant Information Hotline at (847) 835-0972.