Hydrangea Petiaolis - climbing hydrangea

Hydrangea Petiaolaris, also called climbing hydrangea in German, belongs to the Hydrangeaceae family. It is primarily known for its impressive climbing ability and its striking, umbrella -shaped inflorescences. This species originally comes from the forests of Japan, Koreas and Siberia, but has established itself as an ornamental plant in many parts of the world due to its attractive properties.

Morphology and growth

Hydrangea Petiaolaris is a deciduous climbing plant that can reach heights of up to 15 meters under optimal conditions. Her adhesive roots allow her to grow up on trees, walls and other structures. The leaves are opposite, heart -shaped and serrated. You reach a length of 4 to 11 cm and a width of 3 to 8 cm. In autumn, the leaves accept an attractive yellow color before falling off.

The flowers of Hydrangea Petiolaris are arranged in flat, umbrella -shaped umbels that can reach a diameter of up to 25 cm. The marginal flowers are sterile and serve to attract polluting insects while the inner, smaller flowers are fertil. The flowering period extends from June to July, with the white to cream -colored flowers exude a pleasant fragrance.

Ecological meaning and habitat

In its natural distribution area, Hydrangea petiaris grows in damp, shady forests, often on rocky hanging or along streams. Her ability to climb on various substrates makes it an important part of the forest ecosystem because it creates additional vertical habitats. It offers protection and food for a variety of insects and birds. The flowers are particularly popular with bees and butterflies, which makes the plant a valuable element in the pollination network.

Cultivation and care

Hydrangea Petiaolaris is relatively easy to care for and adaptable, which makes it a popular choice for gardens and parks. It prefers humus -rich, well -permeable soils and thrives best in partially shady to shady locations. A regular pruning is not necessary, but can be carried out to keep the plant in shape and control growth. The plant is hardy and can withstand temperatures up to -20 ° C.

Propagation and breeding

Hydrangea petiolaris is predicted mainly by cuttings or absorbers. The multiplication of seeds is less common because germination can be unreliable and the young plants grow more slowly. In breeding, attention is paid to special features such as flower color, leaf color and growth shape in order to develop new varieties with improved properties.

Diseases and pests

Like many other hydrangea species, Hydrangea petiolaris can also be infected by various diseases and pests. The most common problems include mildew, leaf spots diseases and aphids. Good ventilation and the avoidance of waterlogging can help minimize these problems. In the event of infestation, early treatment with suitable pesticides is advisable.