In the debate of Zelkova vs Cypress, the choice between the two depends on specific needs and preferences. Zelkova trees are known for their strength and durability, making them excellent for structural purposes. They are also highly resistant to pests and diseases, which is a significant advantage in many regions. On the other hand, Cypress trees are valued for their ornamental qualities, with their lush foliage and aromatic scent. They are often used in landscaping for their aesthetic appeal.

Zelkova trees have a higher tensile strength and are more resistant to bending and splitting, which makes them superior for construction and furniture-making. According to the Forest Products Laboratory, Zelkova wood has a tensile strength of 11,000 psi, which is higher than that of Cypress (9,000 psi). This makes Zelkova a better choice for applications requiring structural integrity. Additionally, Zelkova wood is more resistant to decay, which is crucial in outdoor applications. The American Wood Council reports that Zelkova has a decay resistance rating of 2, indicating a high resistance to decay, compared to Cypress's rating of 3, which is still good but not as high.

Cypress, however, is favored for its aesthetic qualities. Its dense, aromatic foliage and ability to withstand salt spray make it a popular choice for coastal landscaping. The University of Florida's Institute of Food and Agricultural Sciences notes that Cypress trees can grow in a variety of soil types and are highly adaptable, making them a versatile option for gardeners. Moreover, Cypress trees are known for their longevity, with some species living for over 1,000 years, which adds to their appeal in landscaping projects.

In summary, Zelkova is the better choice when strength, durability, and resistance to decay are paramount, such as in construction and furniture-making. Cypress, on the other hand, is preferred for its ornamental value and adaptability in landscaping. The decision should be based on the specific application and the desired characteristics of the tree.