Juniper Bonsai | The charm of an ancient tree with its rough, aged appearance.
Table of Contents
Juniper (Toshō) is an evergreen coniferous tree belonging to the cypress family, known as a famous tree for its shari (deadwood), alongside the Chinese juniper. The contrast between its sharp needles and the rough, whitened shari creates a unique, wild appearance, making it a firm favorite among enthusiasts seeking the power of ancient trees.
Features and appeal: Sharp leaves and bone-like remnants
Juniper leaves are sharp and needle-like, so hard that they can prick your fingertips if you touch them. This aggressive foliage gives the tree a wild, untamed character. It is in stark contrast to the soft, scale-like leaves of the Chinese juniper, and is a unique characteristic of the juniper.
The main attraction is the shari and jin (deadwood) that appear on the trunk and branches. The withered parts have weathered and turned white, creating a dramatic contrast with the living reddish-brown water-absorbing parts. Juniper trees that have withstood wind and snow in nature sometimes develop trunks that resemble sculptures, and their power is among the greatest of all bonsai.
Basic cultivation tips: Drought-tolerant, but be careful of summer humidity.
Juniper trees should be placed outdoors in a sunny and well-ventilated location. Although they are relatively drought-tolerant, neglecting watering when grown in pots can cause branches to die, so water thoroughly when the surface of the soil dries out.
Because densely packed needles can easily cause dampness, it's important to thin out the leaves during the summer to ensure good ventilation. The best time for wiring is from autumn to winter. The branches are somewhat stiff, so you need to bend them more carefully than with Juniperus chinensis. Repotting should be done every 3 to 4 years in early spring.
Market price and value—the rarity of wild-harvested materials
While young juniper cuttings are relatively affordable, old, wild-collected trees are difficult to obtain and expensive. Wild junipers grow in harsh environments such as rocky areas and coastlines, and the shari (deadwood) and twists in the trunk that have formed there over hundreds of years cannot be replicated by human hands.
Currently, due to conservation concerns, harvesting from the mountains is restricted, and existing wild-harvested materials are becoming increasingly rare and valuable each year. This juniper, possessing both the aesthetic beauty of its shari (deadwood) and its healthy water absorption, is a highly coveted item among enthusiasts.
Representative masterpieces: From rocky areas to bonsai
Many of the finest juniper specimens are wild-collected from the coastal areas of the Kii Peninsula and Shikoku. The trunks, which have withstood wind and snow on sheer cliffs, are intricately twisted, and more than half of the trunk is made up of dead wood, creating a powerful and impressive sight.
Even at the Kokufu Bonsai Exhibition, the juniper bonsai exudes a unique presence. Its beauty is different from the elegance of the Chinese juniper; it is a rough, primitive beauty. That is the irreplaceable charm of juniper bonsai.
summary
Juniper is a bonsai tree species that is attractive for its sharp needles and rough, scaly ash, and is popular among enthusiasts who seek the power and wild beauty of ancient trees. While it is drought-tolerant, care must be taken to avoid excessive humidity, but with basic care, it can be enjoyed for a long time. Ancient trees collected from the mountains are becoming increasingly rare and valuable, and each pot is a work of art in which the form of nature is condensed.
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