Tree to be Planted

Tree by One Tree Planted

Soil (Substrate)

Bonsai soils are usually a mixture of organic potting compost (Pine Bark or Forest Floor), Akadamapumice, lava rock in varying amounts. 

It is important for the soil have good water retention while also draining well, along with very good aeration. The quality of the soil directly affects the health, size and growth of your tree. One of the worst things you can do to your tree is plant it in regular garden soil. Garden soil hardens when it drys and can often lead to a disadvantage when growing a Bonsai. 

Soil mixtures can be purchased here, but given their weight and cost of shipping, you can also easily make your own. 


Depending on the type of Bonsai you're growing, here are the general formulas for successful mixtures. 

Deciduous Tree (Leafy and looses leafs in the fall)

50% Akadama

20% Pumice

20% Lava Rock

10% Potting Compost


Coniferous Tree (Evergreen like Juniper, Cedar)

1/3 Akadama

1/3 Pumice

1/3 Lava Rock


If you are not able to check on your Bonsai's moisture levels daily, add more Akadama to the mix. 

Given how these soils erode over time, repotting every 2-3 years is required. 


Here are some suitable replacements if you cannot find the recommended types of soil.

  • Akadama - fine fired or baked clays, some even recommend cat litter as a substitute. 
  • Pumice - fine crushed aggregates, expanded shale and vermiculite.
  • Lava Rock - This can be replaced with fine gravel or you can also look into purchasing a larger lava rock at a hardware or gardening centre and crushing it. 



One of the best and easiest ways to fertilize your Bonsai, is to add a liquid fertilizer mix when water your Bonsai's once a month during the spring/summer. If your Bonsai looses leaves in the winter there is no need to fertilize it then. If you have a coniferous tree, fertilizing the tree once in the beginning of winter and once in the middle of winter should be sufficient.


Customer Reviews

Based on 5 reviews
Rhiannon Kemmler (Duncan, CA)

Love it!

Nick Frate (Montreal, CA)
Juniper is doing well

I got the mature Juniper and it's been doing well so far. In a week I'll be repoting it. I have a larger Juniper I bought last year and it is doing great and growing well.

Norma Lundberg (Toronto, CA)
fine idea to plant another tree!…..

…..however I’m too ill to provide feedback.

Dennis Crisp (Brechin, CA)
Another assume shipment

Everything arrived in your typical Bonsai Store perfect condition and have been cleaned and lightly trimmed and are enjoying their view of the lake

Adam Kelly (Etobicoke, CA)
Awesome service, perfect condition

The packaging is next level, I'm overly impressed about how they ship their. Bonsais. The bonsai arrived is perfect condition, they wrap a damp towel around the bonsai to ensure good moisture n protection. Good job, highly recommended

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