2. Planting on the opposite side: in front of the porch and the building, one plant is planted on the left and right to make it symmetrically echo. For the planted tree species, the appearance should be neat and beautiful, and the two plants are generally the same. Commonly used evergreen trees are Sabina vulgaris, Sabina vulgaris, Picea, Pittosporum, Osmanthus fragrans, Cryptomeria fortunei, Podocarpus, Magnolia grandiflora and so on.
3. Planting in rows: planting trees in rows and keeping a certain spacing. Usually single row or double row, composed of one kind of mutual wood, but also mixed cropping intercropping. If necessary, multiple rows can be planted, and several trees can be arranged in a certain way. Row planting is mostly used for street trees, hedges, forest belts and waterside planting.
4. Circle or polygon: form geometric figures such as ring, semicircle, arc, single star and multi-star.
5. Triangle or square: Triangle, square and rectangle are mostly used in orchards, but rarely used in gardens.