Hydrangea arborescens
Smooth Hydrangea, Wild Hydrangea, Sevenbark
Family |
Hydrangeaceae |
Genus |
Hydrangea |
Species |
arborescens |
Category |
Woody |
Type |
Shrub (deciduous) |
Pronunciation |
USDA Hardiness Zone |
3-9 |
Canadian Hardiness Zone |
4 |
RHS Hardiness Zone |
H3-H7 |
Temperature (°C) |
-40- (-1.1) |
Temperature (°F) |
-30-40 |
Height |
0.5-1.5 m |
Spread |
0.5-1.5 m |
Landscape |
Used well as mass planting, woodland garden or background. |
Cultivation |
Very tolerant plant, grows in a variety of soils with full sun to filtered shade. |
Shape |
Low growing, round. |
Growth |
Fast |
Habitat |
Naturally found in moist soils, under forest canopies, along woodland banks and streams. |
Bark/Stem Description |
The stem bark has a peculiar tendency to peel off in several successive thin layers with different colours, hence the common name "sevenbark". |
Leaf Description |
The leaves of smooth hydrangea are large, 8-18 cm long, opposite, serrated, ovate, and deciduous. The lower leaf surface is glabrous or with inconspicuous fine hairs, appearing green; trichomes of the lower surface are restricted to the midrib and ma |
Flower Description |
The inflorescence of smooth hydrangea is a corymb. The showy, sterile flowers are usually absent or if present they are usually less than 1 cm in diameter. |
Fruit Description |
Fruit is a ribbed brown capsule about 2 mm long; many are produced. |
Propagation |
Propagated by seed, stem cuttings or crown division in early spring. |