Hemlock

And after that, probably some of the plants in the carrot family in this country, the ones with the fern-like leaf structures, because...

There's lots of nice plants like that, but there's also one that we call Hemlock, scientifically called Conium maculatum, which is deadly toxic.

what's that experience like for you when you're in the workshop and people see something that's, when you say deadly toxic, what's that like? Obviously that you, now you have their full attention.

Yes.