Functional requirements of flowers and trees in landscaping: ornamental flowers and trees cultivated in landscaping have their own functional requirements and planting purposes, and different uses have their own special requirements for modeling and pruning, and different modeling methods will form different ornamental effects.

Street trees mainly require the functions of neatness, generosity, shading, reflecting the city's style, etc., and require convenient operation and unified style in modeling and pruning. Shading trees require dense branches and leaves, broad crown and suitable natural tree shape. Solitary tree planting, if planted in major scenic spots or regular gardens with more tourists, is generally located in the visual focus, which plays the main role in landscaping. Fine pruning should be combined with various artistic shapes to make the garden colorful, novel and full of vitality, maximize the ornamental function and attract tourists; If planted in a corner with few tourists, or in a small garden or scenic spot with simple and natural style, it is advisable to keep the trees rough and natural, so that tourists can feel the return to nature and fully appreciate the beauty of nature. Flowering shrubs should let their upper and lower flowers shine everywhere.

Hedges should be trimmed regularly to form various geometric patterns.