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Rue is a hardy perennial with yellow blossoms and fern-like, blue-green leaves.The rue herb is semi-woody and can be pruned. The herb can reach up to 3 feet tall. In addition to deterring smaller pests, it also deters deer from the garden.
Rue produces attractive blue-green and pungently bitter foliage that have great medicinal uses as being an antispasmodic. This hardy perennial is an ornamental plant is lovely in the garden.