if redwood is naturally rot resistant, why can’t we grow redwoods to build our buildings?

Question

Redwoods are still an evergreen and fast growing. Alternatively, we could put the tannin producing gene in a regular lumber tree to make it naturally rot resistant to be a green alternative to lumber treatments

In: Biology

Answer 1

The older the tree, the more heartwood it has. Heartwood is very rot resistant but is much slower growing than sapwood.