Our specialty at Sumo Bonsai Supply is our Sumo Cakes bonsai fertilizer. We make this in-house and carry it in two forms. A fertilizer cake and a granular fertilizer. Whether you are looking for a deciduous bonsai fertilizer or something more acidic for your juniper bonsai or pine bonsai, we have it. For more information on Sumo Cakes bonsai fertilizer and Sumo Bonsai Supply, see the following two articles. About Sumo Cakes, and About Sumo Bonsai Supply.
We also carry bonsai supplies along with bonsai tools from the brands American Bonsai, Joshua Roth, and Kaneshin.