In several cultivars of C. japonica, the needles typically grow around the twigs. The best-known cultivar with this characteristic is Cryptomeria japonica 'Rasen'. Cryptomeria japonica 'Rasen' is a fast-growing, slender-rising tree with a fairly open branch structure. The tree grows about 12 m tall. Older trees often become bare underneath. The shiny dark green needles are tightly curved around the rather long twigs, giving them a spiral appearance. It makes 'Rasen' a popular tree, not only for use in gardens and parks, but also in floral design. This ancient Japanese cultivar was introduced to Europe in 1970. Hardiness zone: 6a
Cryptomeria japonica 'Rasen' can eventually reach a height of 8-12 m, depending on the site and climate conditions.
Cryptomeria japonica 'Rasen' is быстрорастущий and can eventually reach a height of 8-12 m, depending on the site and climate conditions.
The right time to plant Cryptomeria japonica 'Rasen' is during the dormancy period. In Western Europe, Cryptomeria japonica 'Rasen' with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.