Genus Edgeworthia Species chrysantha Cultivar Common Name Yellow Paperbush Patent ID Height 6 to 8 Feet Spread 6 to 8 Feet Habit Mounding, tropical looking shrub. Slow to moderate growth rate. Zone 7 to 9 Culture Partial shade. Flower Drooping, silvery flower buds open to bright yellow, fragrant flowers. January - March. Relative of Daphne. Flower Color Yellow Foliage 6" long, and rather narrow. Deep green above, grey-green below. Deciduous. Categories: Deciduous Shrub Specialty Tree Description Used in Japan to make high quality banknote paper. Very striking leaf scars give this plant winter interest.