North Haven Gardens will host its Organic Festival Friday-Sunday.

TJ’s Seafood Market will host free seafood grilling demonstrations at 11 a.m. and 1 p.m. Saturday at its store in Preston Forest Village. Learn tips from the pros and receive free samples.

North Haven Gardens hosts its Organic & Eco-Friendly Festival all weekend, featuring free programs on growing organic veggies and fruit trees, caring for backyard chickens and how to use organic products. There’s also a free screening of Vanishing of the Bees at 2:30 p.m. Sunday.

Dive into Hawaiian culture during the Hawaiian Hula Workshop by Kumu Keli’i Chang 3-9:30 p.m. Saturday at Concorde on the Creek at Hillcrest and LBJ. The nonprofit organization, Halau Ho’ola Ka Mana O Hawai’i, is based in Houston and travels the state, teaching hula and other aspects of Hawaiian culture. Registration is $60.