Spring Plant Sale
Orange Coast College's horticulture garden presents its Spring Plant Sale from 10 a.m. to 3 p.m. Fridays. More than 2,500 plants will be on sale. For more information, visit http://www.occhorticulture.com, or call (714) 432-0202, ext. 26533.
The UC Irvine Claire Trevor School of the Arts presents its 2011 master's students thesis exhibition. The exhibition is at the University Art Gallery, 712 Arts Plaza, Irvine.
The Costa Mesa Playhouse, 661 Hamilton St., presents the hit musical "Forever Plaid." Showtimes are at 8 p.m. Friday and Saturday, with Sunday matinees at 2 p.m. and a special 2 p.m. Saturday matinee April 23. Tickets are $16 to $23. For more information, call (949) 650-5269 or visit http://www.costamesaplayhouse.org.
Playwright Itamar Moses' "Completeness," a romantic comedy, makes its world premiere at South Coast Repertory's Argyros Stage. Tickets start at $12. For showtimes and more information, visit http://www.scr.org.