Garden calendar: Spring flower show at Knupper Nursery

Garden expo

• Knupper Nursery hosts more than 30 exhibitors for a Spring Flower Show at 1801 N. Rand Road, Palatine. Product demonstrations and free seminars run from 9 a.m. to 4 p.m. Saturday, March 28.

The nursery also offers tool sharpening from 11:30 a.m. to 1:30 p.m. Sunday, March 29. Fees vary by size of gardening implement (kitchen knives also welcome). Call (847) 359-1080 for more information.

Garden talk

• The Chicago Cultural Center hosts Julie Siegel of J. Siegel Designs for a lecture on "Sustainable Strategies for Greener Gardening" at 6 p.m. Thursday, March 26, in the Millennium Park Room at 78 E. Washington St., Chicago. Free. Call (312) 746-9642 for more information.

• Chalet hosts Jennifer Brennan to lead an "Instant Gratification Spring Container Workshop" from 10 to 11:30 a.m. Friday and Saturday, March 27 and 28, at 3132 Lake Ave., Wilmette. The fee for each workshop is $54.99 plus tax. Registration and prepayment is required. Call (847) 256-0561 for more information.

• Kilbourn Park Organic Greenhouse hosts Oriana Kruzewski of Oriana's Home Orchard and Nursery for a hands-on workshop on grafting fruit trees from 10 a.m. to noon Saturday, March 28, at 3501 N. Kilbourn Ave., Chicago. Cost is $25 (includes a material fee to bring home your own grafted pear tree). Call (773) 685-3359 or visit chicagoparkdistrict.com for more information.

Chicago Botanic Garden

• The Illinois Orchid Society Spring Show and Sale, will be from 9 a.m. to 5 p.m. Sunday, March 22.

• A "Spring Break Camp" on gardening and nature is from Monday through Friday, March 23-27, for ages 5 to 7 and for ages 8 to 11. Cost is $180 per child.

• The Ikenobo Ikebana Society Show features exhibits of traditional Japanese flower arranging from 10 a.m. to 4:30 p.m. Saturday and Sunday, March 28 and 29.

• The Malott Japanese Garden Spring Weekend features activities for families to learn about Japanese arts and culture from 11:30 a.m. to 4 p.m. on Saturday and Sunday, March 28 and 29.

• The Northshore Iris & Daylily Society presents a lecture on flower arranging at 2 p.m. Sunday, March 29.

• The Midwest Fruit Explorers has a hands-on workshop on fruit tree grafting from 1 to 4 p.m. Sunday, March 29. Cost is approximately $4 to purchase a root stock.

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