( He's ready to fit right in. His attitude is one she can appreciate, being that he's apparently willing to put in the effort for getting something he wants back out of this whole weird thing. )

Yes, you can. I'm not sure what's involved in the process, but there's at least one person who's been growing vegetables, so there must be more than one way to try. Getting the seeds or young plants might be the bigger hurdle to start with.