1, general. Prune trees into regular geometric shapes, such as spheres, umbrellas, squares, spirals, cones, etc. Mostly used in formal gardens, giving people a neat feeling. Trees suitable for this kind of modeling require dense branches and leaves, strong germination, pruning resistance or easy weaving, such as Sabina vulgaris, Taxus chinensis, Boxwood, Fructus Aurantii, Gynostemma pentaphyllum and Lagerstroemia indica.
2. Hedgehog style. Trees planted in rows are trimmed or woven into hedges of different shapes. Common hedges and tree walls all belong to this category. Hedges are usually planted around buildings, lawns, fountains, sculptures, etc. Separate the scenic spots or backgrounds in the garden. This style generally requires trees with dense branches and leaves, pruning resistance and slow growth (see hedgerow plants).
3. Imitate architecture, birds and animals. That is, pruning or binding the shapes of trees into pavilions, terraces, buildings, pavilions and other architectural forms or various bird and beast gestures. Tree species suitable for conventional modeling are generally suitable for this modeling.
4. build a landscape. It is a typical garden art that reproduces the charm of ancient trees and strange trees with micro-techniques. It is mostly used for flower stands in important scenic spots or open gardens. Large stump bonsai is such a kind. Tree species suitable for this shape require low trunk, vigorous and simple, such as ginkgo, Podocarpus, kumquat, pomegranate, plum blossom and begonia.