Seminar set on tree and shrub fall and winter care

Seminars, sales

•Tree & Shrub Fall and Winter Care, 10 a.m. Saturday, Oct. 3, at Knupper Nursery, 1801 N. Rand Road, Palatine. Free. (847) 359-1080.

•Fall tree care, 1 to 4 p.m. Saturday, Oct. 3. Cost $38-$51. Morton Arboretum, Route 53 and I-88, Lisle. mortonarb.org.

•Super Soil Saturday. 10 a.m. to noon., basic composting. Cost $28-$40. Session on worms and compost tea from 1 to 3 p.m. Cost $28-$40. Thornhill Educaiton Center, Morton Arboretum, Route 53 and I-88 in Lisle. mortonarb.org.

Chicago Botanic Garden

•Harvest Festival, 10 a.m. to 3 p.m. Oct. 3-4. A marketplace with baked goods, roasted nuts, cut flowers, handmade soaps and fresh vegetables. Chef demonstrations at 1:30 p.m. and 2:30 p.m. in the Kitchen Amphitheatre. Farmers market 9 a.m. to 2 p.m. Sunday, Oct. 4. Bulb Bazaar at Regenstein Center 1 to 5 p.m. Friday. Oct. 2 and 10 a.m. to 4 p.m. Oct. 3-4; see what's available at chicagobotanic.org/bulb. (847) 835-5440 or visit chicagobotanic.org.

•Central States Dahlia Society Show, 10 a.m. to 4:30 p.m. today, Sept. 27. Nearly 1,000 dahlia blooms. Chicago Botanic Garden, 1000 Lake Cook Road, Glencoe. (847) 835-5440 or chicagobotanic.org.

•Illinois Orchid Society fall show and sale, 10 a.m. to 5 p.m. Saturday, Oct. 10 and 9 a.m. to 5 p.m. Sunday, Oct. 11. Orchids in 128 classes will vie for ribbons. Chicago Botanic Garden, 1000 Lake Cook Road, Glencoe. (847) 835-5440 or chicagobotanic.org.

Garden clubs

• South Barrington Garden Club: Slide presentation "Garden Rooms Without Walls," by Shirley Remes, Better Homes and Gardens field editor, Oct. 1; "My Book of Flowers by Grace Kelly," a dramatization by Carolyn Stein Stillman, Nov. 5; holiday luncheon at Seville Banquet Center in Streamwood; Dec. 10. Meetings first Thursday morning of month. Call Anita at (847) 277-7151.

Flea markets, antique shows

•International Antiques Fair, Oct. 2-5, 12th floor Merchandise Mart, at Wells and Kinzie streets, Chicago. More than 100 top national and international antiques and fine art dealers. Hours are 5:30 to 8:30 p.m. Thursday, Oct.1 (preview night), 11 a.m. to 8 p.m. Friday, Oct. 2, 11 a.m. to 6 p.m. Saturday, Oct. 3, 11 a.m. to 5 p.m. Sunday, Oct. 4, 11 a.m. to 3 p.m. Monday, Oct. 5. Tickets $15. Call (800) 677-MART or visit merchandisemartantiques.com.

•Old House New House Home Show, Pheasant Run Resort, 4051 E. Main St., St. Charles. 300 contractors participating. 10 a.m. to 5 p.m. today, Sept. 27. Admission $7; free to age 62 and above and under age 18. Parking free. (630) 515-1160 or www.kennedyproductions.com.

•Kane County Flea Market, noon to 5 p.m. Saturday, Oct. 3 and 7 a.m. to 7 p.m. Sunday, Oct. 4. $5 daily admission; free parking. On Randall Road between routes 64 and 38 in St. Charles. (630) 377-2252 or kanecountyfleamarket.com.

•Wolff's Flea Market is open from 6 a.m. to 3 p.m. Saturdays and 6 a.m. to 3 p.m. Sundays through Nov. 1, at Allstate Arena, 6920 N. Mannheim Road, Rosemont. Admission 50 cents to $1. Call (847) 524-9590 or visit wolffs.com.