John Adams PTA Yard Sale. 8 a.m.-2 p.m. at John Adams Elementary School, 5651 Rayburn Ave. Proceeds go towards the development and implementation of future programs/events for the students of John Adams. Rain date is Sunday, May 21, same time. Call 703-824-6970.
Thomas A. Edison High School Flea Market.
In the event of rain on the scheduled date, the market will be held the following weekend. 6.30 a.m.-1 p.m. at 5801 Franconia Road. Call Adam Wells 703-924-8226. Also on June 17.
Spring Garden Day. More than 40 vendors of rare and unusual plants descend on Green Spring Gardens to fill gardening needs. Friends of Green Spring (FROGS) receive 10% off plants in the Garden Gate Plant Shop. 9 a.m.-3 p.m. at Green Spring, 4603 Green Spring Road. Call 703-642-5173.
Civil War Artillery at the Fort. 1st Connecticut Heavy Artillery reenactors portray a Union regiment stationed at Fort Ward. Firing demonstrations with replica cannons, displays of projectiles and artellery equipment, and camp life activities such as mail call, pay call and cooking. Admission is free. 10 a.m.-4 p.m. at Fort Ward Museum and Historic Site, 4301 West Braddock Road. Call 703-838-4848 or visit www.fortward.org.
St. Mary’s Spring Fling. 16th annual event at St. Mary’s School, 400 Green St., 10:30 a.m.-4 p.m. Family Fun: carnival rides, kid crafts, games, flea market, book sales, music and food. Daimler Chrysler “Drive for Kids” will donate $10 to the school for each test drive, so take a spin behind the wheel and raise money for the school.
BBQ and Auction for the Alexandria Police Foundation 1-4 p.m. at the home of Shawn and Cassie McLaughlin. Admission is $75 per person or $200 per person. Advance purchase is required. To receive a invitations, call Al Grande at 703-780-1496 pr go to www.alexandriapolicefoundation.org.
Roses and Daffodils at the Old City Cemetery. This guided walking tour includes horticulture and history. A new exhibit, “Beneath the Surface” a history of underclothes will be on display in their wonderful museum. The walking tour is on rough unpaved surfaces. Wear comfortable walking shoes and dress for the weather. Fee includes transportation, admission and driver tip. Bring a lunch. Non-refundable advanced reservations are required. Fee: $65. 6.30 a.m.-5.30 p.m. at Green Spring, 4603 Green Spring Road. Call 703-642-5173 to register.
Workshop: Summer Weeds - Identification & Removal. Brenda Skarphol, staff horticulturist, shows how to identify common annual and perennial summer weeds. She also discusses control techniques including hand weeding, tools, herbicides, and mulch. Find out how she ‘mows’ the woods. Dress appropriately for this outdoor class. Fee: $11. 10-11.30 a.m. at Green Spring, 4603 Green Spring Road. Call 703-642-5173 to register.