10-11 a.m. at Lyonia Environmental Center, 2150 Eustace Ave., Deltona. Get outside, breathe some fresh air, and learn about Florida’s unique scrub habitat during this guided hike along the Blue Trail of Lyonia Preserve. Wear closed-toe shoes, bring water, and be prepared to hike 2 miles on unpaved sugar-sand trails. This hike is recommended for age 10 and older. Free. Reservations are required; call 386-789-7207, ext. 21028, or visit https://tinyurl.com/lec-event.