Rodale's Illustrated Encyclopedia of Herbs . . .

"Discover a trove of herbal knowledge - including the ornamental, culinary, medicinal, aromatic, and cosmetic uses of more than 140 herbs! From Aconite to Zatar, this is the only book on herbs you'll ever need to buy."
by Rodale Press

This book is nearly always out of the bookcase! So much information presented in a clear and easy to use format.

Yarrow . . .

White yarrow: Achillea millefolium

Height: 2 Feet
Hardiness: Perennial in Zones 3-11
Flower Color: White
Characteristics: Full Sun, Water Saving,Herbaceous
Uses: Butterfly Plant, Dried Flower (dries cream-colored), Ground Cover, Ornamental, Medicinal


Link to medicinal uses: University of Maryland Medical Center