Kanuma for Azaleas - 5mm
Kanuma is a granular Japanese Potting Medium for Acid-Loving Bonsai.
The Japanese love Kanuma for their Azaleas as well as other acid-loving plants. You can use it straight, or as an amendment. Low fired soft granules.
This particular material comes from the Kanuma Area of Japan which is basically the center of Azalea Bonsai Growing. Again, you must understand as with Akadama, that this is the stuff that the Japanese have out in their back yards ... it's their "dirt." Kanuma facilitates fine hair root growth. It retains moisture and can absorb more water than its weight and yet allows for air space. It's PH varies from 4.5 to 5. Both Akadama and Kanuma simplify the re potting chores since roots are fibrous rather than hard. This material is dug out from 10 feet down, allowed to dry, crushed and then sorted as to grain sizes. It is more acidic than Akadama, and therefore, used mainly for Azaleas, Camellias, Gardenias and other acid loving Bonsai.