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. […]
Soil
What kind of soil should I use for my bonsai?
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
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
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 […]
All about akadama
What is Akadama? Akadama is a fundamental component of bonsai soil. It is used throughout Japan as a potting medium for both bonsai and general gardening purposes. More and more, it is used around the world in the cultivation of bonsai. The term akadama is Japanese for the words “red” – the color of the […]