How long does it take timber to grow?

Answer 1

from it's birth until it dies, is burnt, is cut down, is infested with insects, poisoned, etc.

Answer 2

The time it takes for timber to grow varies depending on the type of tree and environmental conditions. Generally, softwood trees like pine can reach harvestable size in 25-30 years, while hardwood trees like oak may take 40-60 years or more. Fast-growing species like poplar may be ready for harvest in as little as 10-20 years.