Farrell, who was born in Oamaru and attended Waitaki Girls' High School, has been invited by the Janet Frame Eden Street Trust.
She will discuss writing and the "Oamaru influence" at a literary hour in the Oamaru Public Library on April 1 at 6pm. The following day, she will lead the workshop.
Farrell is a novelist, short story writer, poet and playwright. She lives at Otanerito, a remote bay on Banks Peninsula.