But akadama is not doing it´s job for me. Pines, and other trees who needs a very free draining soil is planted in 70 - 90 percent Leca pebbles and 10 - 30 percent sphagnum peat mixed with a normal garden soil for greenhouse plants. Incredible shopping paradise! (2) Akadama 8 parts, CRS 2 parts. Please refer below for recommended mixes for different varieties of plants. A thin layer of coarsely screened New Zealand sphagnum moss should be place on top of the new soil. Yet another advantage to using this soil would be in the colour of Akadama, which can darken when moisten, thereby helping the caretaker to know when to water the plant. Akadama is Neutral and Kanuma slightly Acidic. Some bonsai enthusiasts prefer to make their own bonsai soil. As I don't consider myself an expert at Bonsai soil, but do like to be able to provide my website visitors with an answer, I decided to ask a few people that I personally consider experts at Bonsai. Red Pine: (1) Akadama 6 parts, CRS 2 parts, Japanese Black Soil or Coco Peat 2 parts. This video is the first in a series of tests to examine various components often used in bonsai soil mixes. - Harry Harrington, Not using akadama is because it easily breaks down in freezing periods. Some experts endorse the use of Akadama, while others (the majority of experts we interviewed) prefer different types of Bonsai soil. Highest temperatures varies from 60-90°F (15-32°C). 10$ Also available in larger quantities of 3L -25$ and 5 L- 40$ Also have specialized bonsai mix If interested. Black Pine/White Pine/Shimpaku: Akadama 7 parts, Coarse River Sand (CRS) 3 parts. May not be best to use unless it is very grainy (most sand in mixes is very fine). A lot of our experienced customers use Akadama soil for their conifers and deciduous trees, but it's also recommend for novice gardeners. The first (bottom) layer is large (drainage) then 50/50 of medium and fine grade (depending on size of your Bonsai) for the remainder of pot. Newest products, latest trends and bestselling items、Terrarium Materials：Tools & Gardening, Items from Singapore, Japan, Korea, US and all over the world at highly discounted price! - Morten Albek, No experience other than volcanic material. Fine Old and larger conifers, once every 2-5 years. In summer we have cold fog coming in from the ocean. Soil For Your Red Maple Bonsai. Home. - Colin Lewis, In brief; there are still a number of enthusiasts that have used Akadama exclusively or as part of a soil-mix for many years, and their Bonsai will not have exhibited /obvious /signs of ill-health as a direct result of using Akadama. Shohin are repotted once a year. Winters sometimes are very cold, and other years very mild. - Robert Steven, I live in USDA zone 10a (with a range of 35 to 40 F). 家庭園芸の鉢土やプランターの土として多用される赤玉土のような土質の土を安定して確保出来るようにする。 - 特許庁 - Robert Steven, Depends on the size, age, container shape and size and type of your tree. When repotting do not jab too hard with the chopstick as this will break the granules down. Yes, I use akadama for all my trees. HARD AKADAMA (neutral pH): We recommend you experiment with different mixes to ensure the best growing medium for your growing conditions/environment. Some turface, lava and/or pumice, plus some organic (to create a 'living' medium) and plenty of coarse sand to ensure adequate drainage. Rainfall levels are fairly high and the freeze-thaw cycle is regular, particularly from January through until April. NOTES: For best results, organic fertilizer is recommended at the correct times and season. I used to export a lots to many countries, especially Thailand, Malaysia, Taiwan and China, but we are no more allowed to export. It's parent material was derived from arc volcanics, probably andesitic in composition like those in the Cascades. Red Pine: (1) Akadama 6 parts, CRS 2 parts, Japanese Black Soil or Coco Peat 2 parts. - Harry Harrington, I mostly use sphagnum peat (not to be confused with the fresh mosses used for air layering i.e.) 3. 5mm kanuma soil. At Bonsai Empire we receive questions about Akadama, and its use for Bonsai soil, quite a lot. It is simply because in Japan it is, or at least was, a relatively cheap and freely available to enthusiasts. The Akadama used for bonsai potting purposes is HARD Akadama. The use of pumice for bottom layer drainage (5/16 “) is recommended.For conifers from the desert and high mountains use medium size mix (3/8” – 5/16”). Is good ( I Also found some recently and started using it ) but depends the. 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