Tampa gardening notes

Guided Hike at Brooker Creek Preserve: Get up close to the environment in this 7-mile guided nature hike. See how the land has changed over time and discuss the ecological footprints left by those changes. Wear closed-toe shoes, bring water and a hat. Best for ages 6 and older. Free but registration is required. 9 a.m. to 10:30 a.m. Saturday, Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. (727) 453-6800. brookercreekpreserve.org.

Cactus and succulent sale: Annual show and sale with wide array of easy to grow cactus and succulents, presented by the Central Florida Cactus & Succulent Society. Free admission. 9 a.m. to 4 p.m. Saturday, University of South Florida Botanical Gardens, 12210 USF Pine Drive, Tampa. (813) 910-3274. cas.usf.edu/garden.

Winter Vegetable Gardens: Plan now for a bumper crop of fresh, organic vegetables this winter as John Starnes teaches how to design a productive and pesticide-free vegetable garden; free seed samples. $20. 11 a.m. to 1 p.m. Saturday, Garden Classroom, 3212 W Paxton Ave., Tampa. (813) 839-0881.

Compost Happens: Workshop shows how to turn kitchen and yard waste into rich nutrients for your garden. Registration required. $26, free to Hillsborough County residents. 7 p.m. Wednesday, Upper Tampa Bay Regional Public Library, 11211 Countryway Blvd., Tampa. (813) 744-5519, ext. 146.