As part of Tower Hill Botanic Garden’s month-long exploration of the Apothecary Garden, learn how to blend essential oils to create therapeutic bath bombs. Go home with a set of six and the mold to make more. The class takes place Sunday, February 3 from 1 – 2:30, and is $50 for THBG members, $64 for nonmembers, materials included in the cost. To register visit www.towerhillbg.org.