Owner of Rosie's Garden Seed Co.
Rosie was a Muggle who owned and established Rosie's Garden Seed Co., a company that packs seeds in packages. Frank Bryce, the tireless groundskeeper of the Riddle House, had a packet of squash seeds from this company among his stocks in 1994.
- Harry Potter and the Goblet of Fire (film) (Mentioned on a seed packet)
- Harry Potter Limited Edition (Mentioned on a seed packet)