GARDEN STROLL AND TEA: Tour of the demonstration gardens with a master gardener docent, followed by a traditional English afternoon tea. 1-3 p.m. $29. Green Spring Gardens, 4603 Green Spring Rd., Alexandria area. 703-941-7987. www.greenspring.org.
TASTE OF ARMENIA: Traditional Armenian food, gifts, music and vendors. 4-9 p.m. Friday; noon-10 p.m. Saturday, 10 a.m.-11 p.m. Free. Soorp Khatch Armenian Apostolic Church, 4906 Flint Dr., Bethesda. 301-229-8742. soorpkhatchchurch.org.
WINE CLASS: Focuses on sweet wines. 7:15 p.m. $25. Chain Bridge Cellars, 1351 Chain Bridge Rd., McLean. 703-356-6500. www.chainbridgecellars.com.
WINE DINNER: Five courses featuring Soliste Cellars with winemaker Claude Koeberle. 6:30 p.m. $100, not including tax and gratuity. Charlie Palmer Steak, 101 Constitution Ave. NW. 202-547-8100. www.charliepalmer.com.
PORTFOLIO WINE TASTING: Paul’s Wine and Spirits hosts its 13th annual Wines for Canines and Felines event benefiting the Montgomery County Humane Society, with more than 100 wines, a buffet and silent auction. 6:30-9 p.m. $75. Maggiano’s Little Italy, 5333 Wisconsin Ave. NW. 202-537-1900. www.paulsdc.com.
GREEK FESTIVAL: Saints Constantine and Helen Greek Orthodox Church of Washington will holds its annual event featuring traditional Greek cuisine, beer and wines, live music, a Greek marketplace, children’s activities and more. Noon-9 p.m.; Sunday, 11 a.m.-8 p.m. Free. St. Andrew Ukrainian Orthodox Cathedral, 15100 New Hampshire Ave., Silver Spring. 240-389-1366. www.schgocdc.org.
AFTERNOON TEA: Full tea followed by the opportunity to make a carved-pumpkin autumn arrangement to take home. 1 p.m. $35. Aldie Mill, 39401 John Mosby Hwy., Aldie. 703-327-9777. www.nvrpa.org/park/aldie_mill_historic_park.
BOOK SIGNING: Washington Post deputy Food editor Bonnie S. Benwick discusses and signs copies of “The Washington Post Cookbook: Readers’ Favorite Recipes.” Copies of the book will be 20 percent off during the signing. 11 a.m.-1 p.m. Free. 703-836-4435. www.lacuisineus.com.
COOKING CLASS: Focuses on dishes with fall squash and mushrooms. Includes wine and family-style lunch. 10 a.m.-2 p.m. $115, including tax and gratuity. 1789, 1226 36th St. NW. 202-965-1789. 1789restaurant.com.
MAINE RECEPTION: A Celtic music concert followed by a reception featuring Maine beer, wines and cheeses. Proceeds support scholarships for Maine college students. 2 p.m. $25 ($20 in advance). The Lyceum, Alexandria’s History Museum, 201 S. Washington St., Alexandria. 703-836-1938. mainestatesociety.org.
COFFEE EVENT: Attendees learn about coffee farming, get brewing tips and taste several coffee varieties. Counter Culture Training Center, 1840 Columbia Rd. NW, Suite 203. 7-9 p.m. Free.