1. Cannabis
$1,600 per pound
Last but not least, we have cannabis to top our list. There’s a reason why the marijuana business does so well, which is mainly because weed makes a ton of money for the people who grow it. Obviously, this one only applies to you if you live somewhere where it can be grown legally though. If you do, it can be grown hydroponically, and you can spend the rest of your days counting your cash as this tops the cake on the list of 9 most profitable plants to grow hydroponically.
Pixabay/Public Domain
