Celebrate Texas trees in the Arboretum with family-friendly tree climbing, walks and talks, s’more roasting, fort building, a tree sale and more! Wildflower Center ecologists and arborists will present fun, educational walks and demonstrations under the trees. Young explorers can learn, craft and play all day. This year’s festivities will be centered around our special Fortlandia exhibition! The Wildflower Center is open from 9 a.m. to 5 p.m. and Winter Tree Fest activities (11 a.m. – 4 p.m.) are all free with admission. Admission is always free for members!