Altar Boyz in the park: American Stage presents the Off-Broadway musical comedy about a Christian boy band. The action follows Matthew, Mark, Luke, Juan and Abraham as their tour stops in St. Petersburg. 8 p.m. in Demens Landing, 100 First Ave. SE, St. Petersburg. $11-$27. Also Wednesday, Thursday, Friday and Saturday. (727) 823-7529 or americanstage.org.
Corey Avenue 'Sunday European style' market: With produce to art and plants. Local eateries offer mimosas and brunch. Free parking. 9 a.m. to 1 p.m. Area of 155 Corey Ave., St. Pete Beach. (727) 366-2003 or coreyave.com.
Green Thumb Festival: Celebrates Arbor Day and Earth Day with plants, trees, orchids, herbs, garden art for sale, soil and water testing, tool sharpening, horticulture exhibits, Children's Plant Fair, Garden Club of St. Petersburg Flower Show (10 to 3), recycling and more. 9 a.m. to 4 p.m. Walter Fuller Park, 7891 26th Ave. N, St. Petersburg. Free admission. (727) 893-7335.
Painting in the Park, an Art Happening: Creative family fun on the Museum of Fine Arts' north lawn, with painting demonstrations, kite flying, sidewalk painting, big cylinder painting, a flip-flop mural and more. 1 to 4 p.m. Museum of Fine Arts, 255 Beach Drive, St. Petersburg. One free adult admission to the museum with one paid child admission. (727) 896-2667 or fine-arts.org.
Peddler's Market: 11 a.m. to 4 p.m. in the Grand Central District, between First Avenue N and First Avenue S, from 19th to 31st streets, St. Petersburg. Visit grandcentraldistrict.org.
Someone Who'll Watch Over Me: Play by Frank McGuinness is intended for mature audiences. Three men in a Middle Eastern prison learn the meaning of trust. Based on a true story. Staged by the Gulfport Community Players, directed by Bill Rucker. 2 p.m. Catherine Hickman Theatre, 5501 27th Ave. S, Gulfport. $15. Also Thursday, Friday and Saturday at 8 p.m. (727) 322-0316 or gulfportcommunityplayers.org.
Suncoast Model Railroad Club train show: More than 100 tables of operating layouts in large HO and N scale, memorabilia and more. 10 a.m. to 3 p.m. Honeywell Minnreg Building, 6340 126th Ave. N, Largo. $5 for adults, $1 for ages 12-17, free for 11 and younger. (727) 523-1860 or suncoastmrrc.com.
Wildlife and Western Visions art show: Annual show and sale of original paintings, bronze sculptures, prints and fine American Indian jewelry. Includes works by Al Agnew, Greg Beecham, John Coleman, Michael Coleman, Nicholas Coleman, Grant Hacking, Matthew Hillier, Oreland Joe, Dustin Payne, Vic Payne, Julia Rogers, Charles Rowe, Tom Saubert, John Seerey-Lester, Suzie Seerey-Lester, Ernest C. Simmons, Geoffrey Smith, Trevor Swanson and David Yorke. Free tours of the Raymond James art collection. 11 a.m. to 4 p.m. Raymond James Financial Center, 880 Carillon Parkway, St. Petersburg. Free admission. Online: wildlifeartshow.com.
Ballroom dancing with the Rhythm Kings: 7 to 9:30 p.m., Pinellas Park Senior Citizens Center, 7625 59th St. N. (727) 541-0776.
Tuesday Morning Fresh Market: Fresh vegetables and fruit, plants, local artists' displays. Pet-friendly. Along 2900 block of Beach Boulevard. 9 a.m. to 3 p.m. Downtown Gulfport, Beach Boulevard area. (727) 488-5649.
'Florida Coyotes Safely Co-existing With a Predator': Learn about how coyotes in our area are affected by changing habitats. 7 p.m. Boyd Hill, 2900 31st St. S, St. Petersburg. Free. (727) 893-7326.
Heartsmart Shopping Tour: Confused about what foods to choose for a healthy lifestyle? Take tour with dietitians from St. Anthony's LifeHelp program, learn to decipher nutrition labels and make smarter choices. 2 to 4 p.m. Sweetbay Supermarket, 3327 Dr. Martin Luther King Jr. St. N, St. Petersburg. $10; registration required. (727) 825-1111.
Tea dance with music by Bruce Ralg Band: Noon to 2 p.m., Gladden Park Recreation Center, 3901 30th Ave. N, St. Petersburg. $5. (727) 893-7458.
First Friday Art Walk: Arts and craft vendors, art demonstrations, entertainment in the Gulfport Art District, south of 28th Avenue, on Beach Boulevard. Free trolley rides, pet friendly. 6 to 10 p.m. Free. (727) 322-5217.
Florida Orchestra: Masterworks series featuring Brahms' Symphony No. 3. Stefan Sanderling, conductor. Karen Gomyo, violin. 8 p.m. Tampa Bay Performing Arts Center, 1010 N MacInnes Place, Tampa. $19-$65. Toll-free 1-800- 662-7286 or floridaorchestra.org.
Get Downtown First Fridays: Central Avenue closed to traffic for music, vendors, drink specials. Proceeds from beer and wine street sales benefit charity. 6 p.m. to 2 a.m. Downtown St. Petersburg, Central Avenue between Second and Third streets. Free. (727) 393-3597.
Art in the Park: Dozens of artists display works in avariety of mediums; plus live music. Leashed pets welcome. 10 a.m. to 3 p.m. Williams Park, Fourth Street and First Avenue N, St. Petersburg. Free admission. (727) 804-6993.
Downtown Saturday Morning Market: More than 100 vendors offer fresh produce, gourmet and prepared foods, crafts, and more, with live music and entertainment. 9 a.m. to 2 p.m. Progress Energy Park/ Al Lang Field, 180 Second Ave. SE, St. Petersburg. saturday-morningmarket.com or (727) 455-4921.
Florida Orchestra: Masterworks series featuring Brahms' Symphony No. 3. Stefan Sanderling, conductor. Karen Gomyo, violin. 8 p.m. Mahaffey Theater, 400 First St. S, St. Petersburg. $19-$65. Toll-free 1-800-662-7286 or floridaorchestra.org.
Pancake breakfast: All-you- can-eat pancakes with eggs, bacon, hash browns, grits, orange juice and coffee. Proceeds benefit the Albert Whitted Airport Preservation Society. 8:30 to 11:30 a.m. Albert Whitted Airport, 107 Eighth Ave. SE, St. Petersburg. $10. (727) 822-1532 or awaps.org.
Pass-a-Grille Beach Art Mart: Hosted by the Suntan Art Center. Paintings, photography, handcrafted jewelry, metal art and more. 9 a.m. to 2 p.m. Pass-a-Grille Beach Art Mart, 900 Gulf Way, St. Pete Beach. Free admission. (727) 363-2144.