Summer is in full bloom at the American Horticulture Society’s headquarters at River Farm. Visitors are welcome weekdays and Saturdays through Sept. 25 to tour the garden the current exhibit at the main house. On display now is a selection of paintings of River Farm by members of the Mid-Atlantic Plein Air Painters Association. River Farm is located at 7931 East Boulevard Drive. Visit <a href=http://www.ahs.org >www.ahs.org</a>for more.