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It is, of course, required a lot of experience to create a harmonious Bonsai tree . Especially for a beginner, it is not easy to create a Bonsai tree from the tangled up and abstract material provided by the wild trees. It is recommended to use younger plants found wild in nature, that have a smaller, a lot more compact and simpler root system.
An 80 years old wild tree with a height of 17-20inches/50-60cm has roots longer than 16feet/5m. This happens on rocky grounds, where the roots grow and feed from the cracks in the rocks. In order to unbury these kinds of trees, the long roots should be perfectly cut. If it is not possible, you should cut the roots in order to grow some other roots later.
The right period to unbury the trees is early spring, when the ground is no longer frozen and the plants didn’t blossom yet. As tools, you can use a mining pick-hammer, a branch scissors, a drilling machine, a saw, a hammer and a chisel gab.
The freshly unburied plants should be kept in a plastic bag with moss, in order for them to survive the transport. When reaching the destination, you should plant it in a big plastic container. The soil should be soft soil (Akadama) with granules at around 2-4inches/6-12cm diameter.
The placement should be in a slight shadowed place, protected from the winds. Three years later, you can transfer the plant in a smaller pot.
Usually, it takes around 5-10 years to have a real Bonsai tree started from a Yamadori.
The older Yamadori need more years to be shaped in a good looking Bonsai tree. On the other hand, nursery trees grow a lot faster and start getting shape in about 1 year. When you will see new pins and leaves on the tree, it is a sign the plant is growing. This is the moment when you should start feeding it. After the transfer, the deciduous trees grow faster than the conifers. The wild Juniper grows extremely slow, as an example. This is why it is recommended that the plants should not be unburied all at once, but you should separate the roots every year. Several years later, you should be able to unbury it safely.
A final tip: when you unbury a plant from the ground, most of the branches should be cut and removed so that the cornice should receive more light. You should remove the thinner branches, and cut one branch of every opposing pair of branches on the stem. The branches that cross together should be removed, either.
