The Bucktoe Creek Preserve (432 Sharp Rd., Avondale) will be the location of a medicinal plant walk on May 31 from 9 a.m. to noon. Participants will learn about medicinal plants and their healing properties. Herbal products will also be sold. The cost is $10 for Land Conservancy members, and $15 for non-members. Call 610-347-0347, ext. 104, or visit www.tlcforscc.org.