Two local theater companies hold performances this weekend and a monthly farmers market is scheduled for Saturday in Spring and Klein.


Quick Quack Car Wash offers free exterior-only express car wash service through Aug. 4 at its renovated location on Louetta Road as part of its grand opening this week. 7 a.m.-9 p.m. Free. 5311 Louetta Road, Spring. 888-772-2792.


Stageworks Theatre presents “The Wizard of Oz.” 7:30 p.m. (Fri.-Sat.), 3 p.m. (Sun.). $20-$31. The Berry Theatre, 8877 Barker Cypress Road, Cypress. 281-587-6100.


Playhouse 1960 presents “Grease.” 8 p.m. (Fri.-Sat.), 3 p.m. (Sun.) $15-$18. Playhouse 1960, 6814 Gant Road, Houston. 281-587-8234.


The monthly Wunderlich Farm farmers market includes 20 different vendors selling items, such as locally grown produce, locally made goat-milk soap, fresh salsa and orchids. 10 a.m.-2 p.m. Free. Wunderlich Farm, 18218 Theiss Mail Route Road, Spring. 832-249-5800.

Dr. Hans Landel of the Lady Bird Johnson Wildflower Center will lead a workshop on how to identify, report and remove common invasive species at this Harris County Precinct 4 park. Guests are encouraged to bring a smartphone, tablet or laptop computer. Reservations are required. 9 a.m.-4 p.m. Jesse H. Jones Park and Nature Center, 20634 Kenswick Drive, Humble. 281-446-8588.