Again, the importer needs to have a conversation with the Dept. . Jonas is a known and respected bonsai professional based in the San Francisco bay area. #1. As for the type of Akadama you should use for bonsai, we suggest hard fired Akadama for all but the driest climates. Feb 5, 2021. It then ends up stored in our fatty tissue, where it can build up to levels that can cause fatigue, nervousness, difficulty sleeping, blood abnormalities, and even carcinogenic effects. I bought it from Eastern Leaf for $59 and will sell it for the same price. #21. We were lucky enough to get a tea time for aftern. A pH neutral soil mix is ideal for bonsai because it does not contain any acid or basic elements. Choose your options: Essentials. This ensures that 99. The akadama does break down, but it still drains well and creates a very good environment for long term, SLOW, root growth. Yes akadama can be expensive, You can find it reasonably priced at some shops while it will be priced much higher at others. It is non-lump catlitter however. Being inspired by you bonsai people, I am planning to make a particle based potting mix for sitrus trees in big pots. It has been fired for longer than the Regular Akadama to hold its shape better It will be repackaged to fit into square USPS Priority Mail Flat Rate Large Box. The product loses about 40% in mass during the heating process. Derived from ancient deposits, Akadama is meticulously processed to meet the needs of bonsai cultivation. Akadama, Pumice, Lava rock, organic potting compost, and fine gravel, also known as grit, are some of the most common types of plants. La diferencia es que la Akadema es una fracción del costo de la Aquasoil ADA. As can happen with other soil substrates, the akadama is quite rare to find, since it can only be purchased in Japan. Sifted and Dried: Tinyroots akadama is sifted through a 1/8" mesh and then. How to say Akadama in English? Pronunciation of Akadama with 3 audio pronunciations, 3 translations and more for Akadama. I've used Ryusen, Soukaku, and Ibaraki. Akadama is a fired clay that retains its form when dry and absorbs water when wet. What is the pH of akadama? The use of pumice for bottom layer drainage (5/16 “) is recommended. A lot of our experienced customers use Akadama soil for their conifers and deciduous trees, but it's. This makes them perfect for being used for growing succulents, many bonsai plants, and other indoor plants that thrive best under slightly acidic pH. We DO NOT simply repackage Akadama. The thing about using Akadama is always repotting young trees every 2 years, and old refined trees every 5 years. Ships from California. Akadama's colour darkens when moist which can help the grower determine when to water a tree. 21lb. Made in Japan. Akadama is mined in one small area on Honshu, the Japanese main island. From left to right; organic potting compost, Akadama, Pumice, and lava rock. I think they have plenty of time before the akadama breaks down, which would be when the growth becomes hindered, right? What soil would be better for 8"-16" Japanese maple seedlings?You can buy a premix or make your own using pine bark, lava rock, and a product called akadama. Also, the reason I'm switching over to just akadama is because I've recently been getting very lazy with buying different ingredients and mixing them together. Last night I listened to a new podcast from Bonsai Wire hosted by Jonas Dupuich and Michael Hagedorn (highly recommend!) about repotting. A monter soi-même : Non. Small for shohin and trees that prefer finer grain, like maple. Within 2 weeks of planting in the akadama, they really came to life with new growth. Sheet moss or Spanish moss. #3. The akadama drying out is good! Dry periods are necessary to encourage the plants to send out new roots in search of water. For deciduous, use small size mix (1/16”-1/4 “) and add 1 extra part of Akadama. This year the law was revised and immediately some bonsai vendors had Akadama in two sizes (big/small) being sold in 14 litres bags. akadama - Physico-chemical Properties. Packaging That Cares for the Planet! Now offered in eco-friendly, recyclable packaging that is made from 100% renewable energy. Akadama has a very good CEC (Cation Exchange Capacity) value which means that it will pull out of the water any cations, eg Mg++, Ca++, K+, etc and hold onto these making them available for the plant's roots. Jump to Review. [Add $2. Akadema is known for its brand of: Baseball Gloves, Softball Gloves Custom Baseball Gloves, Ash Wood Bats, Maple Wood Bats, Bamboo Baseball Bats, Custom Baseball Bats, Batting Gloves, Baseball Turf Shoes, Baseball Uniforms, Baseball Pants, Baseball Sunglasses. ago. Akadama is just an over priced soil promoted by bonsai store to make money. ’. Double Line Hard Akadama & Kiryuzuna Japanese Bonsai Soil Blend Mix - Small 4 to 6+ mm - 20 lbs 13 Liters. The readings on my test kit are off the scale and that's after two 80% water changes today and one last night. Outdoor Light: Part shade, Morning sun, Filtered sun, Full sun in cool summer climates. ca, too much for me, and. Akadama is a tool used in plant cultivation. The most common components for Bonsai soil mixtures are Akadama, Pumice, Lava rock, organic potting compost, and fine gravel also known as grit. 7992 posts · Joined 2010. if you order today. 2lb. Printed with. to 4 ft. Prepare the Soil Ball . 99 $13. This is the plant we will use for the Kokedama. Akadama is a good mix component in that it retains more water than the other components it is usually mixed with. #2. Jul 30, 2022. It is light brown, which explains its name, ‘redball earth. Just ordered Akadama for the first time to add to my soil mix. The CEC in Akadama is also not high (and does not particularly need to be) I have used it mixed with other materials on various things (including some cacti) and I have not observed much in the way of negative results. Once. Excelentes propiedades de retención de agua y aporta gran porosidad. Dry akadama Wet akadama. These elements will allow for equal water retention, moisture flow, and aeration. It's an ideal ingredient for every soil mix and works with all bonsai trees. white powder, tasteless, odorless. Post by Cutty » April 14th, 2020, 12:18 pm. Unfortunately price and unreliability of supply in the USA means that this is not always possible. 5 to 6. Since Akadama is on the pricey side I reserve it for my more quality trees. Akadama is one of the only inorganic materials that also has a cation exchange Capacity ( CEC ) which is the ability to hold onto important nutrients. 0 when used as soil for plants but as far as I know, there is no research supporting this theory. Cómo hacer akadama. Akadama is effective as a potting medium for bonsai because it has good water retention properties and it drains well. Focus on healthy growth. 0 is neutral, anything higher is alkaline. Akadama (del japonés 赤 [aka]: ‘rojo’ y 玉 [tama]: ‘pelota’) es sin duda el sustrato más reconocido entre los aficionados al bonsái. 59 $ 11. Akadama hard quality should be taken if the bonsai remains longer than 3 years without repotting in the bonsai pots. When moist, akadama soil undergoes a color shift. down, it hold more water, due to the greater surface area. Our recent shipment from Japan of akadama was held up by the United States Department of Agriculture for an inspection. 89 $ 11. #9. Produit utilisable en agriculture biologique : Oui. For my jade (crassula), however, I go with 1:1:1. This is what it's currently in. Akadama se používá jako samostatný substrát nebo k překrytí horní vrstvy zeminy. It typically is mixed with pumice and/or lava which do not break down as readily and maintain the structure of the soil better but they dont retain water as well as akadama (at least this is my understanding of the different. For any unfamiliar with the term, the essential thing to remember about CEC is that the higher a substance’s CEC, the more nutrients, in usable form, it can. I pay about $35 a bag as well, which I acquire from a vendor at my local bonsai show. Se trata de un silicato de aluminio hidratado que toma el color rojizo de la presencia de óxidos de hierro. 175 mm) Medium - 1/4" to 3/8"; in size (6. Due to the heating to 600 degrees Celsius, Sakadama becomes a lot harder than the standard Akadama and therefore has a longer shelf life (1 to 2 times as long as Akadama are the. It's one of the b. Re: Akadama - confused. Save 17%. Akadama soil is mined in Japan from volcanic soil. Make sure you get the right sort and see if it does not falls apart in water or after been frozen. Aluminium wire available sizes: 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 mm Size of the roll: 20cm wide Weight of the roll: 500g Copper wire available sizes: 0,6 0,8 1 1,2 1,5 1,8 2 2,5 3 3,5 4 4,5 5 6 mm Size of the roll: 35cm wide. Australian Natives: This is currently an open field but Akadama has been used on. Akadama soil is mined in Japan from volcanic soil. Features of the Akadama for aquarium. For both conifers and deciduous trees, many experienced gardeners prefer Akadama soil, but it’s also advisable for inexperienced gardeners. 5cm), a trident and a red maple. 6. S. If you are into bonsai,I get algae growth sometimes and only use synthetic fertilizers. I’ll send you the photo of the bag if you’d like to dispute that. Note: trees you regularly repot every year do great in a pure akadama mix. However, its availability and cost can pose challenges for bonsai enthusiasts in certain regions. Réalisez facilement des kokedamas en suivant nos DIY vidéo : un mélange de terreau, une plante, de la mousse et vous obtiendrez une décoration végétale originale ! DIY : Réaliser un kokedama. #5 · Dec 18, 2011. 5% Mn0 (manganese oxide) 0. of Agriculture supervisor at the port of entry. Diane Lund said: Regarding Akadama, we've been importing akadama direct from the double red line manufacturer for at least 7 years. DaveV said: I was in a hydroponics store recently and saw a very large bag of small round pebbles that looked very much like akadama - It even had a red color similar to akadama. Messages 900 Reaction score 374 Location Southwest VA USDA Zone 6B Jan 2, 2014 #11 Anybody had luck with franchise chains that carry dry stall/pumice or crushed lava? I was finally able to. We import only the highest grade Japanese Akadama suitable for bonsai trees. All ingredients must be bone dry, screened and sized. La akadama es un sustrato muy poroso, lo que permite una buena circulación de aire y agua, proporcionando a las raíces de las plantas un ambiente ideal para crecer. So today i've repotted some of my lophos and aztekiums in a mix of 60% zeolite and 40% akadama; i've seen a member in italia using exclusively zeolite, but i don't want to depends exclusivelly on ferts so i've used some akadama because in my opinion it is less supposed to rot, and it brings the nutrients and the zeolite stock them. ago. All bags from all vendors looked the same; all vendors were selling the same brand. Add to Favourites ORGANIC Japanese Pumice AKADAMA1-3mm Premium Bonsai Succulent Cactus Granular Clay Best quality on the Market (73) Sale Price CA$15. 2. When fired to around 1000 deg. S. 100% akadama is usually used for deciduous trees, and 100% pumice is usually used for just collected yamadori that needs to regrow roots and recover. Then I asked a Chinese seller I know and he told me to combine it with soil 70% Akadama 30% soil. It's an ideal ingredient for every soil mix and works with all bonsai trees. Akadama has many benefits for plant cultivation, such as water. I will know more when I. Akadama is a superior media for Bonsai and Orchids that has been tested over the centuries in Japan. Last picture is an example, how to see the soil in your tree. Many of these medium-sized shrubs are well-suited to use as both formal and informal hedges, natural screens, as backdrops for perennial borders, and as specimen plants. Tends to turn muddy if left outside in freezing/near freezing temps. Akadama, which translates from Japanese as “red ball earth” in English, gets its reddish color from oxidation, and has a clay-like, granular consistency. #2. It is a granular clay of volcanic origin that is dug from the ground. I'm going to try it with a couple of adult plants as well as for. Hydrangea macrophylla 'SK2DAMA'. Used. Akadama Shohin: el grano de este tipo de akadama es mucho más pequeño, tiene un grosor entre 1 y 4 mm. It is fired clay from 100% natural volcanic soil, eco- friendly, no additional fillers, no paint, no dyes, no chemicals, and provides the tree with moisture while preventing compaction. Brand New. Sakadama is almost the same as Akadama in terms of soil composition, but because the soil is heated to 600 degrees it acquires a number of properties that are very interesting for Bonsai. 4. 11,335 likes · 499 talking about this · 4,436 were here. solubility: insoluble in water, soluble in acid. 5b. #1 · Nov 29, 2012. Sep 15, 2023. Aka-dama (Červená zem) sa po povrchovej ťažbe zhruba tri týždne pomaly suší, krytá prístreškami z fólie. Price 5000. Retourner sur la page d'accueil. Jul 22, 2021. coltranem said: Yes bonsai outlet, tiny roots, and New England Bonsai Garden are all owned by the same person. Increasing the akadama content in the mix can make it easier to keep redwoods from drying out. It is mostly composed of minerals such as iron, magnesium, and potassium as well as many other trace elements. I opened them today, June 21, 2014. As far as I know, the double red line brand is the most popular "hard type" soil. Es un sustrato natural de PH neutro, procedente de la arcilla volcánica japonesa y tiene muchas propiedades beneficiosas para la. Akadama (赤玉), originally Akadama port wine, is a Japanese sweet red wine created in 1907 by Shinjiro Torii, the founder of Suntory. Akadama Hydrangea. The unique characteristic of Akadama makes it porous allowing for absorption of water while spreading the. It is said that Kanuma soil becomes more acidic like pH 4. On top of this, the soil needs to be neutral to slightly acidic, which can rule out some soil material that can contaminate and make the solid more alkaline. A cation is an ion with a positive charge and an anion. Sakadama is heated to 600 degrees Celsius. akadama（赤玉土，akadamatsuchi，红球）是自然存在的颗粒状粘土 - 像矿物一样用作土壤为了盆景树和其他容器生长的植物。它是表面上的，立即被筛选和装袋，并以各种成绩提供；与更柔软，更浅层的等级相比，更深层次的坡度在园艺中更难和有用。akadama当与其他元素（例如沙子，堆肥树皮，泥炭或. Akadama is a natural clay-like mineral soil that is great for plants grown in containers such as Bonsais and Kokedamas. Online Retail Sales Akadama is used in growing succulents and bonsai. ) Like all unfired clays, it has a good cation exchange capacity, or CEC. Akadama is a specific type of volcanic clay found only in Japan. Astucieux, l'Akadama change de couleur lorsqu'il sèche, il indique ainsi qu'il est temps d'arroser ! Sac de 2 L. SUCCULENTS AUSTRALIA - ph 0423307830. As a highly porous soil,. Typical: $13. Akadama remains popular amongst all generations and is still found in stores across Japan today. Akadama retains water without breaking down and hardens when dry. Messages 246 Reaction score 6 Location North New Jersey. Items for silent auction bidding: retail price indicated where applicable Bag of akadama (small particle size suitable for shohin sized. Often combined with fine lava rock or other aggregate material, Akadama provides excellent drainage and aeration for healthy root growth. The roots under the trunk tend to be lignified support structures for the root tips. Apparently in Japan it's beeing used a lot for mesembs, too. I use akadama, lava and pumice for my ficus and I dont worry about overwatering at all . its own, mixed with Kanuma and/or gravel and other media to. Description et composition : 100% Akadama. W. Well last night I tested the pH, and this is without any additives or anything for the last 2 months. Dans notre boutique en ligne, vous trouverez des substrats et des engrais organiques, de la. Cómo hacer akadama. With azalea, we always cover the kanuma with a layer of moss, so Kanuma is not an issue color wise. Botanic Garden. The best potting soil mix for Ficus bonsai is 50% akadama clay, 25% volcanic ash rock, and 25% pumice. Without several freezing periods in winter it will proboably last much longer. 3 Dry Quarts. From left to right, there are organic potting compost, Akadama, Pumice, and Lava Rock. As for Akadama, I'm just going to have to acquire that online. 95]Akadama is a premium bonsai soil used by Japanese master gardeners. 1. to 10 ft. But Double Red Line is the one can hold up under water the most without crumbling into mush. Our workshop gallery. This holds water and slowly breaks down over time. Succulents favor soil conditions that suit their original habitats. Now, there are two "kinds" of Akadama, the cheap, soft - read BAD one - used mostly in gardens in Japan; and the hard, expensive Akadama - read GOOD one - used for bonsai. Akadama is available in various grain sizes (fine 1-5mm, medium 5-10mm and coarse >10mm) from specialist bonsai retailers. Item# 9758. Essentials. 18. 7% Cao (calcium oxide) 0. Bonsai soil – 1/3 lava, 1/3 pumice, and 1/3 akadama – also produced very healthy orchids. Is heat-treated akadama the same as baked akadama? No. This provides the tree with moisture while preventing compaction. Ingredients: Si02 (silicon dioxide) 42. Heat treatments are done to meet import requirements and do little if anything to harden the akadama. down, it hold more water, due to the greater surface area. USDA Zone. It is rumored that the great Amano Takishi, used Akadama in his tanks prior to using Aquasoil. Tinyroots Akadama is sifted through a 1/8” mesh to eliminate the small particles. Fortunately I haven't got any fish in there yet. D. grower pot. Akadama, Pumice, Lava rock, organic potting compost, and fine gravel, also known as grit, are some of the most common types of plants. #2. If anyone is interested I'm selling 2 quart of premium bonsai soil mix: Japanese akadama, lava rock, hyuga pumice. . Résultats par page. No medium or large grains. Straight pumice is the preferred “soil” for newly collected yamadori. It is used either straight or mixed with other components to make up a suitable mix. S$1. Akadama is a volcanic material sourced and produced exclusively in Japan that provides superior drainage, aeration, and moisture retention for potted plants. Ed_Inc Yamadori. Researchers found that Styrofoam cups lose weight when in use, meaning that styrene is oozing into the foods and drinks we consume. Akadama is a premium bonsai soil used by Japanese master gardeners. Th. It was 8. The same test with akadama gave 6. La akadama es uno de los sustratos más populares y utilizados en el mundo del bonsái. Akadama is a mined product, and the quality varies from mine to mine. Hours: Monday 8 am–5 pm. Mixed with Pumice and Lava Rock, it holds. conifers: 50% akadama, 50% pumice or more. The soil one sells, but does not use. Harder akadama can be mixed into more free draining soil blends. Akadama hard quality should be taken if the bonsai remains longer than 3 years without repotting in the bonsai pots. It is used throughout Japan as a potting medium for both bonsai and general gardening purposes. Please keep in mind that the admission deadline is set at 17:00, which means visitors should arrive before this time to ensure entry. The new substrate was installed last weekend but instead of using Osmocoat I used. Hola, He encontrado una web aquí en Polonia que me puede vender Akadama y Lava. C. 89. Is structurally stable for longer time (4-5 years). Hydrangeas are easy to grow deciduous shrubs that prefer partly shaded areas of the garden with a rich, moist soil. The other advantage of akadama is that roots are able to scale it. You might as well use gravel. It is a high fired clay that is used as a growth medium in hydroponics. Akadama is a premium bonsai soil used by Japanese master gardeners. Akadama is a type of volcanic clay that is excellent for your bonsai, succulent and cacti. Akadama soil has long been favored in Japan for its beneficial properties, such as excellent aeration, drainage, water retention, nutrient retention, and slightly acidic pH. Bonsai Clubs International. In Australia for example we sell it at $29 per 14l bag, I've seen it as high as $45 for the exact same 14l bags. medium: 6-10mm. Ibaraki took a lot longer to break down, allowing me to use it longer. More refined trees benefit from a higher percentage of Akadama. That is why it is quite expensive. Dense, well-branched compact habit make Akadama perfect for containers and small spaces with its blooms lasting up to two months on sturdy stems. Produktet er meget let og har ikke kapacitet til at holde p mængder af fugt. Akadama je neocenitelná pomůcka pro všechny pěstitele bonsají. To make akadama, mix 85 percent clay (or bonsai soil) and 15 percent peat moss in a bucket or bowl. Shop Amazon for NOHOBE 2. is a Japan Based Company, specialized in supplying hard akadama soil(ibaraki),akadama soil(tochigi),kanuma soil,kiryu stone,pumice stone(Gardening. Akadama is one of the most popular materials used for soil mixes for bonsai trees. Commandez en ligne, retirez votre commande en 2h dans le magasin de votre choix. The akadama imported from Japan for use in bonsai is only fired to the nominal temperature required to kill pathogens. [Add $2. Además, tiene una gran capacidad de retención de agua, lo que le da la capacidad de retener la humedad necesaria para las plantas sin ahogarlas. Merry Christmas, and hang in there. Akadama. For all of its qualities, many bonsai growers consider the. Many akadama preparations come from the famous Mount Fuji, increasing the value of this special. As it turned out, the ban was only temporary, but. Many of these medium-sized shrubs are well-suited to use as both formal and informal hedges, natural screens, as backdrops for perennial borders, and as specimen plants. 93 g/mL at 25 °C (lit. Beli Ibaraki Akadama berkualitas harga murah September 2023 di Tokopedia! ∙ Promo Pengguna Baru ∙ Kurir Instan ∙ Bebas Ongkir ∙ Cicilan 0%. Bucket- to mix in. De nombreuses préparations d'Akadama proviennent même du célèbre mont Fuji, ce qui augmente la valeur de cet engrais. Then it’s bagged in a resealable pouch. Il peut être composé :Kanuma soil is moderately acidic with pH of between 5. The very best akadama mines were destroyed by the tsunami that hit Japan several years ago. Asarum sieboldii f. La akadama, o akadama tsuchi, es un tipo de sustrato usado para plantas. These substrates were chosen because they have been used for the cultivation of moss in nurseries. Made in Japan. El sustrato akadama es un tipo de arcilla utilizada en la jardinería de bonsai. Akadama is a popular soil additive but it is really necessary? Today, I'm sharing my experience with it. When bonsai are transplanted, cut roots need soil that drains well to stimulate the production of new roots. Photos are attached; akadama, pumice, turface in order left to right. Akadama is a naturally occurring mineral that is highly valued by bonsai enthusiasts around the world as a soil. Yasaburou. This one Akadama soil composition defined. This page may contain affiliate links that allow us to make a small commission (at no further cost to yourself). Akadama bonsai soil is highly porous, absorbs water quickly, and also has good drainage, making it an ideal pon substrate for plants. The qualities of both substrates seem to be similar to pumice. Stick a chop stick in the soil and leave it there. Akadama clay is a smooth Japanese clay, a deposit of volcanic ash with a faint yellow color and slightly acidic pH. I tried Akadama when we at Ausbonsai first obtained some from Perth a few years ago. May 23, 2022. hello_cerise • 5 yr. General Care For Japanese Black Pine BonsaiAkadama seco. 99. The Spruce / Adelyn Duchala. Hi. Mélanger avec terrabonsai dans 1/3 d'akadama. Unlike other bonsai species, such as Juniper, which prefers 100% inorganic bonsai soil, or Willow, which prefers organic bonsai soil, Ficus. And the reason given was to reduce costs and the subsequent use of Akadama. 2. Use alone or blended with other ingredients. Akadama is excellent as a component in bonsai soil as it retains nutrients ve Akadama SS (super small 2-3 MM) – used for small Shohin or cuttings Apr 09, 2020 · Akadama is mined from volcanic soil in Japan, where it has long been a favorite of Japanese bonsai growers It is commonly used for conifers (pines, junipers etc) but can. This provides the tree with moisture while preventing compaction. En effet, l'Akadama est une argile rouge volcanique qui constitue un substrat très qualitatif, drainant, aéré et stable. Akadama. - Akadama Grano pequeño (0-8 mm) o tal vez: - Akadama Grano mediano (>10 mm) Es para usarlo en "bonsais" de distintas edades que van a ser transplantados en maceteros medianos (unos 19cm de longitud x 16 de anchura y unos 5 de altura). L'akadama est le substrat japonais traditionnel par excellence. to 10 ft. 3%. 2lb. How it is used depends on the plant species, soil. It is my understanding that roots will break it down, yes! It just doesn't break down automatically clear to the bottom of the pot. It is then dried and sieved to separate it into various sizes. While Akadama may present challenges in certain climates and entail an initial investment, the advantages it offers, particularly in maintaining optimal moisture levels. Akadama is a fundamental component of bonsai soil. 0 when used as soil for plants but there is no research supporting this theory. Once extracted its dried and sifted to various grain sizes. Además, tiene una gran capacidad de retención de agua, lo que le da la capacidad de retener la humedad necesaria para las plantas sin ahogarlas. [deleted] • 5 yr. Up to last year, Akadama was impossible to get in Brazil, as importing soil was forbidden. 5b, Beginner, 6 bonsai / 9 pre-bonsai • 9 yr. 1. Having never seen Akadama in person, I was surprised at how soft it is. However, junipers and black pines love aggregate and. (Improper chopsticking is also a common reason for rookies). Admission Deadline: 17:00. The contrast of color to the clean dark green foliage is stunning. X-ray powder diffraction pattern, electron diffraction pattern and IR spectrum of Akadama soil showed that allophane was the main phase and low crystallinity kaolin was generated from the allophane. 7 mm) kthehun89 • US, NorCal, 9b, intermediate, 18 trees • 9 yr. Jump to Review. Akadama is a clay granulate with a reddish brown colour (Akadama-Tsuchi, japanese 赤玉土 = red earth) of volcanic origin and occurs in Japan on the island of Honshu. Oct 17, 2016. Akadama provides excellent drainage and aeration for healthy root growth. Akadama is a Japanese Red Clay Soil/substrate, that almost every Bonsai professional and enthusiast agree is a must for growing Bonsai. Akadama Hydrangea. Akadama De Cerámica Wiki La'akadama (del japonés aka = rojo y dama = bola) es una arcilla rojo marrón de origen volcanico. The larger grain Akadama will break down slower, so keep this in mind when choosing which grain size to use in your bonsai planting. Commonly Pumice and decomposed granite. Performs best in USDA hardiness zones 4-9. hard akadama is hard to break between your fingers when dry. 0 when using Akadama, which is ideal for many shrimp species. USDA Cold Hardiness Zones: 6,7,8,9.