Celastrus is a deciduous shrub which climbs by twisting its. Its are inconspicuous, and it is grown for the beauty of its fruits, which split open in the autumn to reveal bright scarlet berries, behind which the inner yellow surface of the capsule appears like the petals of a flower. Luckily the fruits do not seem attractive to birds, so they last for months, sometimes well into the new year.
General care: Celastrus grow well in most garden soils, but they do not like chalk, or excesses of wet or dry. Being vigorous growers, they need a lot of, and like regular mulches. Dig in plenty of before planting, which can be carried out any time in the winter. Celastrus do not need regular , merely a tidying-up of the old wood in the winter.
Propagation: Celastrus can be grown readily from, and produce plenty of them. But there is the gender problem – you can end up with plants of the wrong gender. The safest and easiest way for amateur gardeners to these shrubs is by a one-year-old shoot in the autumn. In a year’s time you can separate it and grow it on, and a hermaphrodite will produce a hermaphrodite in this way. Or you can semi-hardwood in the summer, or hardwood cuttings in the winter, using a 50-50 peat and sand mixture.
Pests and diseases: Celastrus are generally disease-free, but can be troubled by the unsightly brown and black patches caused by. As a precaution, give a tar-oil wash in the winter.