Learn to cut and arrange a Thanksgiving centerpiece in a workshop at 7 p.m. Nov. 18 at Buffalo Inn in South Park. Denise Schreiber and Joanne Hall will lead the program, which will end with a finished flower arrangement. Bring hand clippers and a small sharp knife.

Cost is $20 and includes all materials. Proceeds benefit the Friends of Hartwood. Registration is limited. You can register online at gardens@county.allegheny.pa.us or call 412-835-2112. Include name, phone number and the number attending.