Cunningham's Encyclopedia of Magical Herbs - Scott Cunningham 1985

Turnip
The Herbs

(Brassica rapa)

Root: G (unless eaten in extreme amounts)

Gender: Feminine

Planet: Moon

Element: Earth

Powers: Protection, Ending Relationships

Ritual Uses: On Samhain (October 31) large turnips were once hollowed out and candles lit within. These were carried or placed in windows to scare off evil spirits.

Magical Uses: If you have an admirer you simply can’t convince to leave you alone, place a dish of turnips in front of him or her. They’ll get the idea.

Turnips placed in the home ward off every form of negativity.