25 Seeds Eucalyptus Cinerea Silver Dollar Perennial Perennial zones 8-10. All other zones consider annual. Easy to grow from seed! Leaves are tear-drop shaped and green-gray with a dusty appearance that makes the leaves look silvery. Has a high fragrance. This is a beautiful plant for the background of your garden as it has an interesting color and shape and contrasts nicely with colorful blooms. As a bonus, the foliage is a wonderful filler in dried and fresh arrangements. Average germination is 84-98 days. Likes full sun to partial shade and any well-drained soil. Will grow to 24-72 inches tall. Can be started inside in winter, outside in spring or fall.