Kanumatsuchi
This is a kind of soil for bonsai, which is a very light and porous rock of volcanic andesite quality and a substance that erupted -years ago from the central crater of Mt. Akagi in Gunma Prefecture.
Kanuma soil:
often used for grass kinds of plants(e.g., wild grasses) and potted plants as well.
works well for keeping water inside and water absorption
often used with a mix of akadama soil.
Kanuma or not kanuma, that is the question. There are many grades of kanuma around: some sifted and some not, some very coarse(over 1/4" diameter) and some graded medium and/or small.
Kanuma Japanese Clay Granules
One of the most controversial topics in the bonsai-world.
Kanuma
This soil is named after the region of Japan it comes from and is naturally found in people's back gardens and considered "dirt". Kanuma is dug up from 10 feet below, allowed to dry, gets crushed and then is sorted into different sizes.
Kanuma soil. High moisture retention and very good drainage.
Kabu wake
The separation of the roots.
‘Kanuma', a form of Japanese soil is often said to be the ideal potting medium for Satsuki Azaleas. The will however grow in any lime free compost mix.
APRIL ...
for most deciduous trees; Kanuma - a yellow colored Japanese soil from the
Kanuma region of Japan that is great for azaleas & acid loving bonsai; Kureyu
- a soil that is suitable for most conifers." ...
If however you have access to someone who stocks either 'Akadama' or 'Kanuma' clays then you are well advised to use them.
Kanuma for Lime Hating Plants 14 liter bag
Kanuma Soil for Acid Loving Plants x 14 ltrs Japanese volcanic soil fr Lime hating Bonsai. Used in Japane to extensivel grow Azaleas, Camelias, etc.
Price: £12.50 more info..
The Mining of Akadama and Kanuma
By Fred Meyer
This month’s article is showing some photos we have of just how our Japanese soils are harvested.
The Japanese soils include: Akadama - general purpose bonsai soil that is suitable for most deciduous trees; Kanuma - a yellow colored Japanese soil from the Kanuma region of Japan that is great for azaleas & acid loving bonsai; ...
Varieties such as akadama, or "red ball" soil, and kanuma, a type of yellow pumice used for azaleas and other calcifuges, are used by many bonsai growers.
mix of components, often a base mixture of coarse sand or gravel, fired clay pellets or expanded shale combined with an organic component such as peat or bark. In Japan, volcanic soils based on clay (akadama, or "red ball" soil, and kanuma, ...
Other main Bonsai exhibitions in Japan include the Gafu-ten (largest Shohin exhibition, Kyoto early January), Koju-ten (main Satsuki tree exhibit, Kanuma early January), ...
 See also: Bonsai, Tree, Akadama, Growing, Garden
  
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