By Matt Gibson Costmary is a delightfully fragrant and ornamental perennial herb that smells and tastes like spearmint with a hint of eucalyptus. It’s long, thin, serrated leaves are rounded, but narrow, and greenish-grey. In the spring and summer, it displays clusters of small, white or yellow disc-shaped flowers that are very reminiscent of tansies.…
How to Grow Costmary Herb (Tanacetum balsamita) — Gardening Channel
The Rose Cauldron 