Fall and Winter Vegetable Garden: 11 a.m.-1 p.m. today and Sept. 13, 3212 W Paxton Ave., Tampa. Learn to inexpensively start and maintain a garden of organic produce and edible flowers. $25; discount of $5 per student for groups of four or more. (813) 839-0881.
Brooker Guided Hike: 9-11 a.m. today, Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. For adults and kids 6 and older. (727) 453-6800.
Weedon Guided Hike: 9-11 a.m. today, Weedon Island Preserve, 1800 Weedon Drive NE, St. Petersburg. Hike coastal mangrove and upland ecosystems. For adults and kids 6 and older. (727) 453-6500.
Nature Walk: 10-11 a.m. today-Sun., Fort De Soto Park, 3500 Pinellas Bayway S, Tierra Verde. Walk suitable for families explores different areas of the park from beach area to mangroves. Free, but registration required. (727) 582-2267.
Cool Weather Gardening: 6:30 p.m. Mon., Hudson Regional Library, 8012 Library Road, Hudson. Extension Service seminar on fall vegetable gardening. Tips on which vegetables to plant, which to avoid and how to grow gardens in small areas. Free, but registration preferred. (352) 521-4288.
Florida's Water Resources: 7 p.m. Mon., Tampa Bay Watch, 3000 Pinellas Bayway S, St. Petersburg. Talk by Friends of the Tampa Bay National Wildlife Refuges lends an understanding of the ground beneath our feet and the water around us, including Florida's springs, sinkholes, ridges, lakes and ponds in a program by Ann Tihansky of the U.S. Geological Survey. Free. (727) 343-1272.
Landscape management course starts Mon. at Pinellas Technical Education Center. Five-month course covers plant identification, fertilizing, pruning, irrigation, tools and equipment, propagation and plant problems. Classes meet 7:30 a.m.-12:45 p.m. Monday through Wednesday at PTEC, 901 34th St. S, St. Petersburg. Registration and information: (727) 893-2500, ext. 1101; or e-mail email@example.com.
Florida-Friendly Gardening: 6:30-9 p.m. Tue., Pinellas County Extension Service, 12520 Ulmerton Road, Largo. Class teaches the basics of Florida-Friendly landscape and design principles, including using native plants and waterwise techniques. This week: designing a landscape and making good plant choices. $15. (727) 582-2673 to register.
Pruning Made Easy: 7:30 p.m. Tue., St. Mark's Presbyterian Church, 7922 S.R. 52, Hudson. Nature Coast Chapter of the Florida Native Plant Society meets with program by horticulturist Jim Moll on the proper way to trim palms, trees and shrubs; plant raffle follows meeting. (727) 848-2177.
Pilgrim in the Land of Alligators: More Stories about Real Florida: 7:30 p.m. Tue., Boyd Hill Nature Preserve, 2900 31st St. S, St. Petersburg. Stories from St. Petersburg Times writer Jeff Klinkenberg highlight personalities and places that reflect Florida, apart from the one influenced by developers. Part of preserve's Natural History Speaker Series. Free. (727) 893-7326.
Prize-winning Plants: 1 p.m. Wed., Finnish-American Club, 6016 Delaware Ave., New Port Richey. New Port Richey Garden Club meets with program by master gardener Ann Buchanan on grooming prize-winning plants. (727) 848-2292.
Florida's Fall Color: 2 p.m. Wed., Public Library, 9220 Spring Hill Drive, Spring Hill. What to plant for fall color in Florida landscapes. Free on first-come, first-seated basis. (352) 754-4433.
Vanda Orchids: 7 p.m. Thur., Pinellas County Extension Service, 12520 Ulmerton Road, Largo. Florida West Coast Orchid Society meets with brief educational class followed by program at 7:30 p.m. on vandas by expert and author Martin Motes, with orchids for sale. Free. (727) 460-4606.
Gesneriad Celebration: 9 a.m.-4 p.m. Sept. 12-13, USF Botanical Gardens, 12210 USF Pine Drive, Tampa. Learn more about growing African violets and find bloomers in a variety of colors and styles, plus episcias, achimenes, gloxinias and other gesneriads at USF Plant Shop's Gesneriad Celebration. Also demonstrations on starting new plants, potting baby plants and general care. Free admission. (813) 974-2329 or (813) 689-8700; www.cas.usf.edu/garden.
Intelligent Pest Management: 2 p.m. Sept. 13, Hernando County Cooperative Extension Service, 19490 Oliver St., Brooksville. Learn to effectively deter pests without overuse of pesticides in Extension Service program. Free on first-come, first-seated basis. (352) 754-4433.
Send submissions to Garden Calendar, Newsfeatures, St. Petersburg Times, P.O. Box 1121, St. Petersburg, FL 33731; e-mail firstname.lastname@example.org; fax (727) 892-2327. Deadline is two weeks before publication.