- Robert Steven, Depends on the size, age, container shape and size and type of your tree. They are light and therefore easier for pot handling, but most importantly they have the following useful properties: 1. Bonsai classes are also available. I used to export a lots to many countries, especially Thailand, Malaysia, Taiwan and China, but we are no more allowed to export. - Morten Albek, No experience other than volcanic material. - Boonyarat Manakitivipart (Bonsai Boon), Temperatures range from a normal summer high of 38c to a normal winter low of -25c, in Southern Maine, USA. Trees imported from Japan growing in akadama soil have all proven very big problems surviving. 鹿沼土、赤玉土、黒ボク土、赤ボク土又はリモナイトの採取後に発生する微粒粉状の土を3〜20mm径に造粒した後、400℃超、或いは400℃程度以上から900℃で加熱した団粒構造の水質浄化材である。 例文帳に追加. - Harry Harrington, The answer is simple, because I do not use Akadama. And you will never know what the good healthy roots look like. Kanuma. 3. This means that extra care must be taken when working a lava-rich soil between the roots. 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. - Morten Albek, We use 100% volcanic soil without any mixture except adding the slow release organic fertilizer (sun flower seeds made). (2) Akadama 8 parts, CRS 2 parts. Akadama; Kanuma; Local Stockists; You are here. For lower elevation conifer and water loving conifer, use small size mix (1/16” – 1 / 4 “). Many factors come into play when trying to say anything sensible about Bonsai soil (climate, tree-species, stage of development of the tree, etc); this article generalizes some of these factors to not over-complicate the issue even further. Buy a good soil in a garden centre, and not the cheapest one, because they break down too fast. Very strong healthy growth and good flower production have been recorded to date. for trees loving an acid soil (like Azalea, which loves this soil), and alkaline basic soils for other trees, generally all based on a good soil structure that is water holding and at the same time have a high level of oxygen. Read more about this here. I use less akadama on the tree in training (25% or less). - Robert Steven, Our soil recipe contains, 1 part lava rock, 1 part pumice, 1 part Akadama, ½ cup of horticultural charcoal (per 5 gallon mix), ½ cup of decompose granite (per 5 gallon mix). it broke down after 2 years or something, and I didn't find any better than our volcanic soil but very expensive, then I stopped. For conifers from the desert and high mountains use medium size mix (3/8” – 5/16”). Akadama is a clay soil, and will be very compact and poor of oxygen, harming the roots when broken down. One misunderstanding that many enthusiasts seem to have is that although Akadama has been used for many years in Japan; this is not because it is the 'best' soil for Bonsai. If you decide to use organic and potting soil, you are not with me. 5mm kanuma soil. Bonsai in Adelaide. - 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. British Bonsai : Bonsai Soil Multi Buys - Bonsai Tools Gift Certificates Bonsai Consumables Fertilisers & Additives Bonsai Books Bonsai Starter Sets Indoor Bonsai Outdoor Bonsai Bonsai as Gifts Suiseki Bonsai Watering Sourcing Bonsai Greetings Cards Free Bonsai Ebook Additional Shipping Vouchers Bonsai Training Wire Bonsai Soils Corporate Gifts Bonsai Pots Bug, Pest & Weed Control … I read a lot about Japanese Akadama soil mix, sorry about the spelling. 10$ Also available in larger quantities of 3L -25$ and 5 L- 40$ Also have specialized bonsai mix If interested. Please refer below for recommended mixes for different varieties of plants. Both (hard) Akadama and Kanuma come in 4 grades: Generally you will put a shallow layer of soil in the bottom of the pot, put your bonsai in the pot and add the same size soil on top of the roots. Denmark is a country with a proud gardening history and a well developed greenhouse tradition, which has contributed with a lot of research and development bringing forward the best soil mixtures for container growing i.e. For best results, organic fertilizer is recommended at the correct times and season. This I mix with pebbles of Leca or lava e.g. Medium I follow that recommendation. Zelkova/Elms: Akadama 8 parts, CRS 2 parts. - Colin Lewis, I have experience of using turface, seramis, cat litter on my own trees and experience of a wide range of alternatives used by clients on their Bonsai. You will find their exact input below. - Colin Lewis, I live in the UK, typically the climate has highs of around 30C in the Summer and lows of -5 to -10C in the Winter. to adjust transpiration and drainage. Enjoy reading! 5. 10$ Also available in larger quantities of 3L -25$ and 5 L- 40$ Also have specialized bonsai mix If interested. Old and larger conifers, once every 2-5 years. 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