Modern tree care is carried out in harmony with nature. It is based on the knowledge of the laws governing the growth of various trees and shrubs and how they seal off injuries. Since they grow and branch out according to species-specific patterns, this must be taken into account with every pruning measure. Only in this way can the individual character of a tree or shrub be preserved. The book describes in detail the biological foundations of woody plants. It explains ten important models of crown architecture for tree care and derives how to prune the individual species accordingly. A knowledgeable pruning done in this manner helps to maintain the vitality and health of garden and park trees in the long term.