Japanese hydrangea-vine is an excellent vine for wood or stone fences, walls, and arbors. It attaches to hard surfaces by root-like holdfasts. Cinnamon-brown bark and large, white lace cap flowers in late June add to the beauty of this climbing vine.
This plant has some cultivated varieties. Go to list of cultivars.
- Deciduous (seasonally loses leaves)
- Zone 5
- Zone 6
- Zone 7
- Full shade (4 hrs or less of light daily)
- Dry sites
- Alkaline soil
- Moist, well-drained soil
- Large plant (more than 24 inches)
- Mid spring
- Late spring
- Early summer
- Mid summer
Size & form
A 15 to 30 feet high climbing vine.
Japanese hydrangea vine cllimbs by means of small aerial roots. It looks great growing up a wall or on a tree.
Tree & Plant Care
Japanese hydrangea vine is not a hydrangea, but closely related to climbing hydrangea (Hydrangea anomala petiolaris).
It grows in full sun, partial shade, or full shade but seems to do best in partial shade.
Tolerant of well-drained moist, humus-rich soil. Tolerant of drought once established, but intolerant of wet sites.
Plants are slow to establish but will grow more rapidly with age. May take several years to flower.
Disease, pests, and problems
Native geographic location and habitat
Found in the woods and forest in the mountains of Japan.
Bark color and texture
This vine attaches by root-like, cinnamon-brown holdfasts
Stems are cinnamon brown with flaky, peeling bark. They remain flat and do not prtrude outward from growing site.
Leaf or needle arrangement, size, shape, and texture
Opposite, single, coarsely toothed, 2 to 5 inch long oval to broadly heart-shaped. Dark green leaves turn a yellow fall color. Petiole stalks are red.
Flower arrangement, shape, and size
A single, 8 to 10 inch, flat-topped flower cluster (lacecap) composed of numerous fertile flowers surrounded by tear drop-shaped sterile outer petals (sepals).
Flowers are slightly droopy, appear in late June to early-July and last for around four weeks.
Flowers on old wood.
Fruit, cone, nut, and seed descriptions
A dehiscent capsule, not ornamentally important.
Cultivars and their differences
Moonlight Japanese Hydrangea Vine (Schizophragma hydrangeoides ‘Moonlight’): The leaves of this cultivar have a light, sliver-gray with contrasting dark green veins. The white flower sepals are larger and showier than the species.
Rosea Japanese Hydrangea Vine (Schizophragma hydrangeoides 'Rosea'): The cultivar 'Rosea' had large, showy pink flowers .