Guided hike at Brooker Creek Preserve: See how the land has changed over time and discuss the ecological footprints. Wear closed-toe shoes, and bring water and a hat. Best for ages 6 and up. Free but registration required. 9 to 10:30 a.m. Saturday, Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. (727) 453-6800. brookercreekpreserve.org.
Creating a Pondscape: Add a serene water garden to the landscape in monthly classes on designing and installing a pond. Free. 9 a.m. Saturday, Pondscapes, 4213 S Manhattan Ave., Tampa. (813) 839-8062.
GardenFest 2010: Everything from plants to garden art for sale to spruce up your landscape, plus talks on Growing Herbs Organically (10 a.m.) and Florida Friendly Landscaping (11:30 a.m.) at Plant City Garden Club's GardenFest, with hamburgers, hot dogs and more for sale by the Rotary Club. Free admission. 9 a.m. to 3 p.m. Saturday, Plant City Train Depot, 102 N Palmer St., Plant City. (813) 752-9363.
Fall Vegetable Gardens: Save money and enjoy fresh vegetables in a workshop with Grace's Hydro-Organic experts. Learn the best plants to grow now for a bounty of autumn vegetables in a few months. $10, $5 for members. 10 to 11 a.m. Saturday, University of South Florida Botanical Gardens, 12210 USF Pine Drive, Tampa. (813) 910-3274. cas.usf.edu/garden.
Volunteer orientation: Love plants? Learn how to be a part of the USF Botanical Gardens; 10 a.m. Saturday, University of South Florida Botanical Gardens, 12210 USF Pine Drive, Tampa. (813) 910-3274. cas.usf.edu/garden.
Grow Your Own Salad Bar: John Starnes teaches how to grow a crisp, pesticide-free salad garden. Topics include creating healthy soil, pest control and organic soil feeding. Class also includes seed packets of mild-flavored leafy greens not found in grocery stores. $20. 11 a.m. to 1 p.m. Saturday, Garden Classroom, 3212 W Paxton Ave., Tampa. (813) 839-0881.
Honey tasting: Various honeys from all over the world will be available for sampling. There will also be live music and demonstrations by a beekeeper; benefits the Botanical Gardens. $20. 3 to 5 p.m. Saturday, University of South Florida Botanical Gardens, 12210 USF Pine Drive, Tampa. (813) 910-3274. cas.usf.edu/garden.
Master gardener plant clinics: Master gardener plant clinics offer advice on a variety of gardening topics each week. The classes are free. For more information, call (813) 744-5519 or visit hillsborough.extension.ufl.edu.
• 6:30 p.m. Monday, "Must-Have Perennials." Find out which 15 perennials are a must for your garden. Seminole Heights Branch Library, 4711 Central Ave., Tampa.
• 6:30 p.m. Tuesday, "Ornamental & Culinary Herbs." Grow a variety of edible landscape herbs in this class. North Tampa Branch Library, 8916 N Boulevard, Tampa.