Yarrow: Evergreen with bright green fragrant foliage topped with 3" wide burgundy-wine flowers on ferny green leaves. Grows to around 2' wide and tall. Long bloom period, good for cut flowers. Low to medium water. Best in full sun with some summer water, though it is drought tolerant. Flowers attract butterflies and other insects. Deer, gopher and fire resistant. Tolerates heat and clay soils.