To Thrive...

Bittersweet needs a sunny (full sun) to semi-shaded location; it can be grown in the shade, but will produce fewer flowers and fruit. Best in nutrient-rich soil. Distance between plants: 1.5 - 4 metres.

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Characteristics and Pruning

These are vigorous twiners with sturdy stem formation. Celastrus orbiculatus from China is the more common variety. It has a strong growth with broad oval, dentate or serrate, and clearly acuminate leaves. Celastrus scandens from North America has oval, acuminate leaves with undulating margins. There are several other varieties that resemble each other and the mini-kiwi. Foliage from May to October, yellow autumn colouring. Has inconspicuous, pale-green flowers, mostly dioecious (male and female on separate plants). In order to get the decorative berries, it is best to plant several specimens together. Prune once a year to handle its very fast growth, especially in the first 6 - 12 years.

Climbing Aids for the Facade

The climbing support should be sturdy... even old trees will do the trick. Lightning conductors, downpipes, roof gutters, etc.. should not be accessible by the shoots, and any trellis supports (brackets / mounts) should have a distance of at least 1.5 m from all such structures and to the roof gutters -- to the side as well as to the top. Wire rope systems (see chart at the bottom) are suitable if the ropes are arranged parallel to each other as they are with wisteria: the shoots must therefore not be wrapped around the cable for long... if it 'chokes' the wire rope, the anchor screws may be torn out of the wall and the cable deformed. Choose a heavy or massive trellis system.