Rosehill Elementary PTO festival Rosehill Elementary School will host a fall festival on Friday, Oct. 21.[/caption]

Friday, Oct. 21: Fall Festival

The Rosehill Elementary School Parent Teacher Organization hosts its fall fundraiser, featuring inflatables, carnival rides and games, facepainting, a putt putt golf course, and more. The festival also includes a DJ, live and silent auctions and food trucks. 5-9 p.m. Free (admission and parking), $10 (unlimited ride and game wristband). Rosehill Elementary School, 17950 FM 2920, Tomball. www.respto.org

Friday-Sunday, Oct. 21-23: Corn maze and pumpkin patch

Salem Lutheran Church hosts a 5-acre corn maze in the shape of an old steam locomotive to honor the early days of Tomball as a railroad hub and center of commerce in north Harris County. Other activities include hayrides, a pumpkin patch and yard games. The corn maze will be open through Nov. 13. 9 a.m.-noon (Tues.), 3-7 p.m. (Fri.), 10 a.m.-7 p.m. (Sat.), 1-7 p.m. (Sun.) $10 (ages 6 and older), $5 (ages 2-5), free (under 2). Salem Lutheran Church, 22601 Lutheran Church Road, Tomball. 281-351-8223. www.tomballcornmaze.com

Saturday, Oct. 22: Fall Festival and Auction

The Decker Prairie Elementary Parent Teacher Organization presents its annual fall event. The festival features games, prizes, performances, food, carnival rides and live and silent auctions. 2-7 p.m. Free (admission and parking). Decker Prairie Elementary School, 27427 Decker Prairie-Rosehill Road, Magnolia. www.facebook.com/ptodpes

Saturday, Oct. 22: Tomball Bluegrass Festival

The fifth annual festival promises an afternoon of music featuring banjos and dobros. David Davis & the Warrior River Boys and The Border Town Ramblers co-headline the event; other local and area musicians perform throughout the rest of the day. The festival also features various booths with food and a kids zone. Guests are welcome to bring instruments and join in on the performance at the Shade Tree Jam. 11:30 a.m.-6 p.m. Free (admission and parking). Tomball Historic Depot Plaza, 201 S. Elm St., Tomball. 281-351-5484. www.tomballtx.gov

Saturday, Oct. 22: Charity Gala

The Parkway Family Auto Group hosts its 13th Annual Parkway Chevrolet Charity Auctions, which features live and silent auctions. Proceeds from the event benefit nonprofits Hope, healing and Hooves, Inc. and Leaders Equipped and Prepared. 6:30 p.m. $50 (general admission). Parkway Chevrolet, 25500 Hwy. 249, Tomball. 832-534-0197. www.parkwaychevrolet.com

Saturday, Oct. 22: Flu shots

The Tomball Regional Health Foundation and Tomball Regional Medical Center offer free flu shots to community members on a first-come, first-served basis while supplies last. Children under age 18 need a parent's consent. 9 a.m.-noon. Free. Tomball Regional Medical Center tower lobby, 605 Holderrieth Blvd., Tomball. 281-401-7777. www.tomballregional.com

Saturday, Oct. 22: Celebrate early Texas culture

Harris County Precinct 3 Commissioner Steve Radack hosts "Digging Old Stuff," an event that celebrates Texas' early culture. The event features old-time bluegrass and acoustic music, interactive children's activities and games with historians, an archeology dig for ages 7 and up, cotton spinning and blacksmith demonstrations, and a tour of the Kleb homesite. 9 a.m.-3 p.m. Free (admission). Kleb Woods Nature Center, 20303 Draper Road, Tomball. 281-357-5324. www.pct3.com/parks/kleb-park

Saturday and Sunday, Oct. 22-23: Bazaar

St. Anne Catholic Church hosts its fall bazaar, featuring bingo, a DJ, live and silent auctions, children's games, amusement rides, crafts, food vendors and barbecue dinners. 6-9:30 p.m. (Sat.), 11-6 p.m. (Sun.). Free (admission and parking). St. Anne's Catholic Community, 1111 S. Cherry St., Tomball. 281-351-8106. www.stanne-tomball.org

Saturday and Sunday, Oct. 22-23: Texas Renaissance Festival

This weekend’s theme is Pirate Adventure, featuring Pirates' Cove and Sea Devil Tavern. Take part in the best dressed pirate contest or the fish and chips-eating contest. Thousands of people visit the festival each year. Each weekend in October and November, festival attendees dress up and explore the Renaissance-themed park. The festival features food and drink vendors, live entertainment and more than 400 shops. Entertainment options include parades, jousting and theatrical performances. Shops sell a variety of medieval goods, including glasswork, leatherwork, potions and musical instruments. Each Saturday night, the festival hosts the adults-only TRF After Dark, a costume gala with dancing and food. 9 a.m.-8 p.m. $26 (adult), $14 (child). Texas Renaissance Festival, 21778 FM 1774, Todd Mission. 800-458-3435. www.texrenfest.com