Milanof-Schock Library, 1184 Anderson Ferry Road, Mount Joy, will hold a Community Plant Exchange on Saturday, May 20, from 10 a.m. to noon. After noon, any remaining plants will be sold by donation.

Interested individuals must preregister by Wednesday, May 17, at http://www.mslibrary.org. Participants can bring one or more plants and exchange them for the same number of plants. Outdoor plants or indoor houseplants will be accepted, and they must be non-invasive.

Plants may be dropped off in front of the library between 9 and 10 a.m. on May 20. All plants must be in non-returnable containers with the plant type clearly marked.