Mrs. Zinnia Wormwood is the mother of Michael and Matilda Wormwood and the wife of Harry Wormwood. Mrs. Wormwood plays Bingo five times a week. She is more concerned about looks than getting an education. However, despite this, Mrs. Wormwood has a soft spot for Matilda. In the movie Mrs. Wormwood's first name is Zinnia. In the musical, Mrs. Wormwood loves ballroom dancing.