How Does Your Garden Grow?

Name: How Does Your Garden Grow?
Genre: Drama, Crime, Mystery, Thriller
Released: 1991
Rating: 7.6
Cast: David Suchet, Hugh Fraser, Philip Jackson, Pauline Moran, Catherine Russell

At a flower show, an older woman in a wheelchair approaches Poirot, gives him an empty seed packet, and asks him to visit her the next day. When Poirot arrives the next day, the woman is dead, murdered with poison.