Cryptomeria Bonsai Guide

The Cryptomeria Bonsai is known for its thick red bark and light green leaves that are typically arranged in spirals around the shoots. The Cryptomeria genus only has one species, and that is the Cryptomeria Japonica.

Brussel’s Cryptomeria Bonsai

  • Evergreen favorite
  • Resembles a miniature Christmas tree
  • Grown under carefully controlled conditions
  • 4 years old; 13 inches tall
  • Cryptomeria japonica ‘Tansu’

Cryptomeria, commonly called Japanese Cedars, are favorites at the nursery because of their finely cut blue-green needles and peeling red bark. The foliage on these dwarf conical trees turns bronze in winter and then returns to green with the longer

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This species is commonly referred to as Japanese Cedar, although it is not really related to the cedar, but rather, to the yew. It is an evergreen coniferous tree that is native to Korea, China, and Japan.

There are several varieties of this species that are commonly used in the ancient art of Bonsai. Among the most popular are the Elegans, Pyramidata, and Elegans Compacta.

Some dwarf varieties are also appreciated for the fact that they require less frequent trimming and pruning. The Globans Nana and Elegans Nana are perhaps the most popular varieties.

Cryptomeria Bonsai Care

Take note that a Cryptomeria Bonsai needs to be positioned out of direct sunlight during summer. Make sure as well that it gets good ventilation. In the winter months, you will need to protect the species from frost.

Do not worry too much if you see the leaves turn brown during winter, as they are likely to change back to green when spring arrives. It is also important to fertilize this plant every two weeks from spring to autumn and to re-pot it every two years. Re-potting should be done in mid-spring, while the new buds are still starting to grow.

Re-potting of mature specimens can be done according to the development of its roots.

Pinching And Shaping Cryptomeria Bonsai

During the growing season, it is recommended that regular pinching be done to keep the shape of the tree. Avoid using scissors to prune the foliage, as this will cause discoloration as with Black Pine Bonsai.

Japanese Cedar (Cryptomeria japonica)
Cryptomeria Bonsai

Image by cliff1066™
In training since 1905

Japanese cedar
Cryptomeria Bonsai

Image by Kew on Flickr

When you wire your Bonsai to shape it, remember to take extra care, as the branches of this species can easily separate from their junctions. Bend the branches slowly and be very careful not to create rapid movements, which can cause the bark to split. Regular misting is generally required to keep scale and red spider mite away from your Cryptomeria Bonsai.