Cunningham's Encyclopedia of Magical Herbs - Scott Cunningham 1985

Potato
The Herbs

(Solanum tuberosum) Root: G; Greens: X

Folk Names: Blue Eyes, Flukes, Lapstones, Leather Jackets, Murphies, No Eyes, Pinks, Red Eyes, Rocks, Taters, Tatties

Gender: Feminine

Planet: Moon

Element: Earth

Powers: Image Magic, Healing

Magical Uses: Potatoes are often used as poppets, and the “eyes” can be used as eyes in fashioning other kinds of poppets.

A potato carried in the pocket cures toothaches and guards against rheumatism, warts, and gout. To protect against contracting a cold, a potato should be carried in the pocket or purse all winter—the same potato.