The Newport Harbor Orchid Society is hosting its 12th annual Orchid Expo and Sale through Sunday at the Westminster Mall. The free event is themed "Show Us your Bloomers" and will showcase thousands of orchids in bloom from around the world. There will be potting workshops and an exhibit of orchid art my members of the Westminster Mall's Kids Club. Event hours are 10 a.m. to 7 p.m. Saturday and 11 a.m. to 6 p.m. Sunday. Information: www.nhosinfo.org.