Say what you want about millenials: they love their houseplants and they buy, grow and care for them.
Tom Kasper has some tips and tricks for taking care of your houseplants so you can reap the environmental and psychological benefits.
Concerned about houseplants and your pets?
This article, The Best Plants to Grow in an Edible Garden for Pets, has some good recommendations and things to steer clear of.
(And if you're curious about money tree plants, this article has some good information about them and their care.)