|This spreading, dense shrub with multiple trunks has thick, dark green, wet-looking leaves are about 3 inches across. Yellow flowers bloom in clusters from cylindrical buds. It can also be pruned to form a hedge. 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.