Talk set on top ten perennials for multiple conditions

Gardening seminars

• Knupper Nursery has a seminar on "Top Ten Perennials" for multiple conditions, at 9 a.m. Saturday, May 30, at 1801 N. Rand Road, Palatine. Free. Call (847) 359-1080.

• The Growing Place offers a seminar on "Hummingbird & Butterfly Gardens" at 10 a.m. Saturday, May 30, at 2000 Montgomery Road, Aurora, and at 2 p.m. the same day at 25W471 Plank Road, Naperville. Visit thegrowingplace.com for more information, or call (630) 820-8088 or (630) 355-4000.

• Lincoln Park Zoo offers a gardening class on creating sunny container gardens from 9 to 11 a.m. Saturday, May 30, at 2001 N. Clark St., Chicago. Tickets are $100 and limited to groups of 26 per class. Call (312) 742-2000 or visit lpzoo.org for more information.

Garden tours, sales

• Guided walks of Millennium Park's Lurie Garden in Chicago are from 10 a.m. to 1:30 p.m. Sundays through Sept. 20. These walks are free and led by a master gardener from the University of Illinois. Preregistration is not required. Visit millenniumpark.org for more information.

Chicago Botanic Garden

• The Northshore Iris & Daylily Society Show & Sale is from 10 a.m. to 4:30 p.m. Sunday, May 24.

• The Northern Illinois Hosta Society Show & Sale is from 10 a.m. to 4:30 p.m. Saturday and Sunday, May 30 and 31.

The Chicago Botanic Garden is at 1000 Lake-Cook Road, Glencoe. Admission is free; parking is $15. Call (847) 835-5440 or visit chicagobotanic.org for more information.