Yes this is exactly right... the overall potency of any specific plant cannot be altered by the environment (barring catastrophe, of course). The plant will be geared to produce a certain amount of trich's, also geared to cannabinise a certain percentage of those trich's. The overall potency...
There is a school of thought now that suggests using extra heat during lights out can aid in faster growth and development.
It involves a lot of scientific reasoning, so I shall refrain from posting it here.;)
This is not to say that I agree with the proposal/theory. Extra heat brings it's...
So long as you maintain a consistent environment the potency of your plants will always remain the same. I have heard of growers keep their mothers for 3 years and over with no loss (at least not noticeably so) to potency.
Potency is genetic and I don't believe that even environmental factors...