Come celebrate spring with the Friends of Carlyle House’s Annual Garden Day Herb & Craft Sale from 8:00 a.m. to 4:00 p.m. on Saturday, April 22. Tour Carlyle House, the actual site of the Mansion House Hospital featured in the PBS drama Mercy Street. Purchase culinary and decorative herbs, plants, and flowers raised in Mount Vernon’s greenhouses. Bring your gardening questions to the Master Gardeners of Northern Virginia. Enjoy live musical entertainment throughout the day, a bake sale, book sale, white elephant table, and more. Proceeds benefit Carlyle House. This event is free, however admission to the Carlyle House museum is $5 for adults; $3 for children; FREE for Friends of Carlyle House or with your Alexandria Garden Day ticket. This event will take place rain or shine.