Repotting violets: The Tampa African Violet Society meets for a program on repotting and grooming African violets for a show, plus plant raffle. Free. 10 a.m. today, Seffner-Mango Branch Library, 410 N Kingsway Road, Seffner. (813) 689-8700.
Brooker Creek nature hike: Get up close to the environment in this guided nature hike. Wear closed-toe shoes, bring water and a hat. Best for ages 6 and up. Free but registration is required. 9 a.m.-10:30 a.m. Saturday, Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. (727) 453-6800. brookercreekpreserve.org.
Tampa Bay Gesneriad Society: Get growing tips for vibrant gesneriads as the Tampa Bay Gesneriad Society meets. Free. 10 a.m. Saturday. This month the topic is "The Florence Nightingale of Gesneriads" with Jo Ann Martinez. Office of Dr. Robert Martinez, 402 W Martin Luther King Jr. Blvd., Tampa. (813) 963-7424.
Urban farms: Harvest fresh produce from your yard, from potted arugula to snow peas, improve the quality of what you eat and learn food self-sufficiency. John Starnes will teach how to turn a high-maintenance lawn into a high-yield garden using low cost methods. Free seed packets. $20. 11 a.m.-1 p.m. Saturday, Garden Classroom, 3212 W Paxton Ave., Tampa. (813) 839-0881.
Bee series workshops: Learn about hive construction, honey extraction and more from beekeeper Gary VanCleef. $10 for nonmembers, $8 for members. 10 a.m. Saturday, (Honey extraction and products of the hive.) University of South Florida Botanical Gardens, 12210 USF Pine Drive, Tampa. (813) 910-3274. cas.usf.edu/garden.