Tansy (Tanacetum) - An elegant variety of the common Tansy. T. vulgare, and much dwarfer in stature than it, is the var. crispum. Its emerald green leaves are smaller, and have a crisped appearance.
Tanacetum Herderi - A pretty plant for the rock garden, with silvery leaves on thick forked stems, which rise a few inches from the surface. The bright yellow flowers have a good effect on the silvery foil. Similar in height and effect is T. argenteum, which makes a shrubby mass of silver rosettes and golden flowers. Division.