The Kemper Center for Home Gardening will give away 600 Chinkapin oak (Quercus muehlenbergii), flowering dogwood (Cornus florida), Deciduous holly (Ilex decidua), witch hazel (Hamamelis vernalis) and river birch (Betula nigra) tree saplings on a first-come, first served basis, one per visitor while supplies last. Master gardeners will answer questions and give advice on planting trees in the spring. 9 a.m. to 5 p.m. or while supplies last. Kemper Center for Home Gardening. Included with Garden admission.