|This small crooked trunked tree is prized for its hardiness tolerating temperatures down to 0 degrees Fahreneit. Attractive, spear-shaped leaves are silvery blue that grow to 4 inches long. Its bark is smooth, white and it peels. Tight clustered small white flowers and grey seed capsules grow close to the stem. The foliage of nearly all species has a strong pungent odor similar to menthol. Well drained soil is preferable. Trees do very well planted from seed. Plant seeds in spring or summer keep shaded and water sparingly until 2 to 3 inches high.