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 […]
Soil
Spring watering for recently repotted trees
Last week, Michael Hagedorn offered some great advice about watering recently repotted trees in spring: To sum up, only read the moisture level where there are roots to determine when to water. – from Spring Watering Tip I’ve found Michael’s suggestion useful for many of the trees in my garden this year. Cryptomeria Looking at […]
Finding the right soil mix
Finding the right soil mixes for my trees has proved surprisingly tricky – and not for lack of trying. I’ve experimented broadly over the years, and have benefitted from the advice of both American and Japanese bonsai professionals. Still, I find room for improvement. In the past few years, I’ve moved to mixes that retain […]
Drying bonsai soil
To date, my summer has been filled with some traditional, and some not-so-traditional, activities. I went canoeing last weekend on the Russian River. When I got home, I set about drying some dirt. Watching summer days shorten has become a cue for me to begin preparing bonsai soil. I wash the dirtiest soils and dry and sift […]
Bonsai soil
I’ve been spending my free moments sifting bonsai soil for the past few weeks – a bag here, a bag there. I know that I have a lot of trees to repot this winter and I don’t like to start the soil-making process from scratch when I’m ready to repot, so I’m getting started while […]