The Vaughan Christopher Gallery welcomes spring with Midnight in the Garden of Warhol and Haring. The exhibit features -garden-themed avant-garde works by the likes of Matisse, Damien Hirst and Warhol (ten of his hand-colored flowers are included). The opening reception is today from 6 to 8 p.m. Regular gallery hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays. 1217 South Shepherd. For information, call 713-533-0816 or visit www.vaughanchristopher.com. Free.