March 15-April 30 -- "Botanical Art in the Arboretum," timed to coincide with peak bloom in the UC Davis arboretum, features 27 works selected for their beauty as well as their botanical accuracy. Located at the Buehler Alumni and Visitors Center on campus, the exhibit is open to the public 8 a.m. to 5 p.m. Monday through Friday, 10 a.m. to 4 p.m. Saturdays and 11 a.m. to 3 p.m. Sundays.