It's Riesling Week, which means that through Sunday, restaurants including Blackbird, May Street Market, Shaw's Crab House, the Pump Room, Webster's Wine Bar, and Tru will be highlighting Rieslings from various provenances, including Germany, Alsace, Austria, Australia, the U.S., and Canada. More importantly, several wine shops are offering free tastings of the wine this week, allowing people to taste the difference between dry Alsatian Rieslings and late-harvest dessert wines made from the same grape. Here's a roundup:

Wednesday

• 3:30-6 PM at Artisan Cellar, 222 Merchandise Mart #116, 312-527-5810

Thursday

• 5-8 PM at Printers Row Wine Store, 719 S. Dearborn, 312-663-9314
• 6-8 PM at Lush Wine & Spirits (Roscoe Village), 2232 W. Roscoe, 773-281-8888
• 6-8 PM at Provenance Food and Wine (Lincoln Square), 2312 W. Leland, 773-784-2314 

Friday

• 4-8 PM at Galleria Market, 340 W. Superior, 312-527-5810
• 5-7 PM at Gourmet Pantry, 155 N. Michigan, 312-297-1200
• 6-8 PM at Lush Wine & Spirits (Roscoe Village), 1306 S. Halsted, 312-738-1900
• 6-9 PM at Gentile's Wine Shop, 1160 W. Taylor, 312-850-9463 

Saturday

• 3-6 PM at Provenance Food and Wine (Logan Square), 2528 N. California, 773-384-0699