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Home > Soil

Soil

Bonsai soil Q & A

August 13, 2022 by Jonas Dupuich

Several years ago I wrote about bonsai soil in a post titled “All about akadama.” (If you haven’t read it, you can check it out here.) I continue to get questions on the topic so I thought I’d provide a few updates. Q. What is baked akadama and is it useful for bonsai? Baked akadama […]

What to do when akadama is in short supply

December 17, 2021 by Jonas Dupuich

Akadama, particularly when mixed with other media, is a great medium for growing bonsai (see “All about akadama” for details). Over the course of the last year, akadama has become harder to come by for several reasons: Global demand has increased. Mining slowed down due to heavier than normal rainfall. Shipping congestion has delayed shipments. […]

What kind of soil should I use for my bonsai?

March 7, 2021 by Jonas Dupuich

I hear the question a lot, and it’s a good one. In my garden, I use mixes based on the species I’m growing and my development goals for the tree. I make adjustments for the health of the tree, my budget, and the availability of the ingredients I’d like to use. If I’m working with […]

Where do roots like to grow? A look inside the pot

March 13, 2018 by Jonas Dupuich

For as important as roots are to healthy bonsai, we don’t often get a good look at how they grow in the pot. Few containers offer a view at what’s going on inside and we often disturb the roots with sickles or chop sticks when removing trees from their containers. I got a particularly good […]

Where lava rock comes from

August 15, 2017 by Jonas Dupuich

On a recent vacation, I had the opportunity to visit a mine that produces scoria. Scoria is the proper name for lava rock. The locals, however, refer to it as “cinder” – an older name for the substrate. Unsurprisingly, the mine itself is a big hole in the ground. Scoria mine The scoria is scooped […]

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