How long do salmon take to grow?

Question

Until people collect them to eat

Answer 1

salmon, like all fish, begin growing immediately upon hatching.

and, like the ear hair of old women, they continue to grow until death.

Answer 2

this wont help 'cause i dont know but just had to tell you i spent the weekend at the falls of shin in the highlands of scotland and watched the salmon leaping back home, it was amazing!

http://www.fallsofshin.co.uk/fallsofshin...

Answer 3

In general, farmed and wild salmon are harvested after the fish have reached sexual maturity - typically between 3-5 years.