Trees can be categorized in any number of ways. They can be categorized by:

Hardness of wood - Hardwoods vs SoftwoodsEdit

This relates to easily the wood of a tree can be cut or broken. The harder the wood, the easily it can be used as lumber for building things like houses and boats. Softwoods are more popular for such things as carvings, precisely because they are easier to cut.

Hardiness - Tropical vs TemperateEdit

Retention of leaves - Deciduous vs non-deciduousEdit

With deciduous trees, the leaves are lost on a seasonal basis. This can be relevant in the context of grounds maintenance and upkeep.

How usedEdit

Commercially trees can be classified into the following groups: