Ginkgo biloba 'Witches Broom' syn. 'W.B' ocassionally known as 'Vital Spring' is a male dwarf cultivar originating from Stanley & Sons, Orgeon in the U.S.A. It produces small light green foliage and forms an irregular globose bush growing only 6 -10 cm per year. Expect it to reach a hieght of 1.2 m in 10 years, the spread usually slightly less. In the autun it turns a rich golden yellow. This is a great cultivar to grow in a container or small garden.