GreenFest: 9 a.m.-4 p.m. today-Sun., University of Tampa, 401 W Kennedy Blvd., Tampa. Educational nature festival at Plant Park in Tampa; plants, garden accessories and supplies for purchase, speakers and demonstrations. Festival supports restoration of the park. $3, under 12 free. (813) 253-3333. greenfest.org.
Orchid Festival: 10 a.m.-4:30 p.m. Sun., Sunken Gardens, 1825 Fourth St. N, St. Petersburg. Thousands of orchids for sale; lectures and more. Included with gardens admission: $8, $6 ages 55 and older, $4 ages 2-11. (727) 551-3102. www.stpete.org/fun/parks/sunken.htm.
Florida Native Plants: 9 a.m.-noon today, Weedon Island Preserve Cultural and Natural History Center, 1800 Weedon Drive NE, St. Petersburg. Florida landscaping techniques that conserve natural resources. Also "Twigs n' Leaves," native plant sale (10 a.m.-noon). Free. (727) 453-6500.
Flower Show: 10 a.m.-2 p.m. today, Clearwater Garden Club, 405 Seminole St., Clearwater. Floral and horticulture design categories that include Container-Grown Plants, Table Artistry, more. Free. (727) 518-1389.
Orchid Lover's Festival: 10 a.m.-4 p.m. today, 10 a.m.-3 p.m. Sun., SNPJ Hall 13383 County Line Road, Spring Hill. Orchid Lovers Club of Spring Hill show, with orchids on display and for sale, orchid supplies, repotting, educational material on orchid growing. $1 admission. Call (352) 585-7109 or (727) 856-3485.
Epcot Flower & Garden Festival: Continues daily, through June 1, Walt Disney World, Interstate 4, Exit 64, Lake Buena Vista. With 70 topiaries, 30-million blooms and "Growing Future Gardeners" kids' area. Speakers, concerts, more. Included in Epcot admission: $71 plus tax; $60 plus tax ages 3-9. Florida resident discount. (407) 934-7639. disneyworld.com/flower.
Florida Native Plant Society Benefit Plant Sale: 8:30 a.m.-5 p.m. today, Wilcox Nursery, 12501 Indian Rocks Road, Largo. Instructional talks, natural techniques, wildlife gardening, other topics. Portion of sales benefits the Pinellas Chapter of the Florida Native Plant Society. (727) 595-2073.
Festival of Flowers: Today-Sun., Cypress Gardens, 6000 Cypress Gardens Blvd., Winter Haven. Botanical garden tours at noon and 2 p.m. daily. How-to demonstrations and garden crafts for kids. (863) 324-2111. cypressgardens.com.
Guided Hike: 9-11 a.m. Saturdays, Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. Along Environmental Education Center trails; for adults and youth ages 7 and older. Free. (727) 453-6800.
Through the Mangroves: 9-11 a.m. Saturdays, Weedon Island Preserve Cultural and Natural History Center, 1800 Weedon Drive NE, St. Petersburg. Guided hike through coastal ecosystems. For adults and youth ages 6 and older. (727) 453-6500.
Nature Walks at Fort De Soto: Arrowhead walk, 10-11 a.m. today; mangrove area walk, 10-11 a.m. Sun. Fort De Soto Park, 3500 Pinellas Bayway S, Tierra Verde. Suitable for entire family. Free, but registration required. (727) 582-2267.
Bamboo Basics: 9:30 a.m. Sun., Bamboo Gardens, 1200 Virginia Ave., Palm Harbor. Workshop teaches how to use bamboo in the landscape. Free, but registration required. (727) 784-0517.
Nidulariums: Bromeliad Stepchildren: 7:30 p.m. Tue., Hope Presbyterian Church, 1698 S Belcher Road, Clearwater. Meeting of Florida West Coast Bromeliad Society, with discussion by Alton Lee. Doors open at 7 p.m. (727) 531-3200. hopefamily.com.
Creating Compost: 7 p.m. Tue., Tampa Garden Club, 2629 Bayshore Blvd., Tampa. Moonlight Garden Circle meeting shows how to turn kitchen scraps and yard waste into nutrient-rich compost; includes compost bin. Registration recommended, call (813) 251-5753 or (813) 251-5059.
Fun With Orchids: 7 p.m. Wed., Bloomingdale Regional Library, 1906 Bloomingdale Ave., Valrico. Master gardener clinic shares tips to make orchid-growing fun. Free. (813) 744-5519, ext. 105.
Wild Orchids: 7 p.m. Wed., Buena Vista Manor Clubhouse, 5112 Rosada Ave., Holiday. Orchid Society of West Pasco meets; presentation by Paul Martin Brown and Stanley N. Folsom. (727) 942-0812.
Master Gardener Training: 2 p.m. Thur., Hernando County Cooperative Extension Service, 19490 Oliver St., Brooksville. Those desiring to enroll in master gardener training course May 8-Aug. 7 must attend mandatory pre-course meeting. Meeting free; master gardener training, $110. (352) 754-4433 to register.
Benefit Plant Sale: 8 a.m.-noon April 4, Falkenburg Road Jail, 520 Falkenburg Road, Tampa. Horticulture program plant sale includes vegetables and ethnic vegetables, perennials, annuals, unusual plants. Proceeds benefit horticulture program at jail. (813) 744-5675.
Spring Plant Sale: 9 a.m.-2 p.m. Fri., April 5, Garden Club nursery at Nature Coast Botanical Gardens just east of U.S. 19 on Parker Avenue, Spring Hill. Plants at budget prices from Spring Hill Garden Club's annual spring plant sale, plus baked goods, botanical garden tours. (352) 683-9933.
Pasco County Master Gardener Seminar: 9-11:30 a.m. April 5, Clayton Hall at Pasco County Extension Service, 36702 SR 52 (at Pasco County Fairgrounds), Dade City. Florida gardening, with guest speaker Monica Brandies. Coffee and light refreshments provided. Free, pre-registration appreciated. (352) 521-4288.
Vegetable Gardening : 9-11:30 a.m. April 5, Land O'Lakes Community Center, 5401 Land O'Lakes Blvd. Program by Jeannie Hayes of the Florida Yards and Neighborhoods Program. Free, but registration requested. (352) 521-4288.
Summer Gardens: 2-4 p.m. April 5, Dunedin Public Library, 223 Douglas Ave. Dunedin Garden Club meeting with guest speaker master gardener Denys Walk. (727) 733-5727.
Landscape Makeover: 6-8:30 p.m. April 5, Manatee County Extension Office, 1303 17th St. W, Palmetto. Low-growing ground covers, grasses and vines. Free, but pre-registration required by April 2. (941) 722-4524 or (941) 742-5986.
Rain Barrel Workshop: 10 a.m.-noon April 10, Manatee County Extension Office, 1303 17th St. W, Palmetto. Assemble a rain barrel to take home and collect rainwater. $40, registration by Thursday required. (941) 722-4524 or (941) 742-5986.
Spring Plant Festival: 10 a.m.-4 p.m. April 12, USF Botanical Gardens on USF campus, off Bruce B. Downs, one block north of Fowler Avenue, Tampa. Large sale by plant societies, growers and others; also gardening items, books, talks and more. $4, members free. (813) 974-2329. cas.usf.edu/garden.
St. Petersburg Saturday Morning Market: 9 a.m.-2 p.m. along Central Avenue, between First and Second streets. (727) 455-4921. saturdaymorningmarket.com.
Pinellas County Market in the Park: 8 a.m.-1 p.m. Saturdays, Pinellas County Extension Service, 12520 Ulmerton Road, Largo. (727) 582-2100.
Produce Market at the Mustang: 8 a.m.-4 p.m. Saturdays and Sundays, Mustang Flea Market, 7901 Park Blvd., Pinellas Park. Free; $1 parking. (727) 544-3066.
Clearwater Farmer's Market: 8 a.m.-1:30 p.m. Wednesdays, downtown, between Cleveland and Pierce streets on Osceola Avenue. (727) 461-7674.
St. Pete Beach Fresh Market: 9 a.m.-2 p.m. Wednesdays, Community Center, 7701 Boca Ciega Drive. (727) 363-9245.
Largo Harvest Marketplace: 9 a.m.-3 p.m. Thursdays, Ulmer Park, 301 West Bay Drive. (727) 587-6740, ext. 5017.
Longleaf Farmer's Market: 3-6 p.m. Thursdays, Town Avenue and Starkey Boulevard, New Port Richey. (727) 375-8986.
Treasure Island Open Air Market: 9 a.m.-1 p.m. Fridays, Community Center, Gulf Boulevard and 106th Avenue. (727) 360-4121.
Sweetwater Sunday Organic Market: noon-4 p.m. Sundays, 6942 W Comanche Ave., Tampa. (813) 887-4066 or sweetwater-organic.org.
Send submissions to Garden Calendar, Newsfeatures, St. Petersburg Times, P.O. Box 1121, St. Petersburg, FL 33731, e-mail to email@example.com, or fax (727) 892-2327. Deadline is two weeks before publication.