Hydrangea arborescens is also known as the Smooth Hydrangea, Wild Hydrangea, Sheep Flower, or Sevenbark. It is from the Hydrangeaceae family of plants. It is a deciduous shrub native to the eastern United States. Hydrangea arborescens can grow to 3m or 10ft. It flowers in late spring or early summer with creamy-white spherical heads of bracts and sterile flowers. The Hydrangea arborescens flowers change color to lime green as autumn approaches.
Hydrangea arborescens has large oval green leaves which also turn yellow in autumn. The leaves are opposite and serrated. The flowers are popular for dried flowers. Remove the dead flowers in spring to encourage new flowers for the new season. Also, prune dead or diseased branches. Hydrangea arborescens bark peels in thin layers of different colors and is therefore the common name Sevenbark.
Plant Hydrangea arborescens in moist, humus-rich but well-drained soil in the sun or partial shade. Hydrangea arborescens does not like to dry out. Propagate by softwood cuttings. Watch out for aphids, capsid bug, hydrangea scale, or leaf spot. Pruning helps keep its shape and make it bushier. Hydrangea arborescens is toxic to pets such as cats and dogs as well to horses.
Also read about Hydrangea aspera