On Oct 20, 3:29*pm, Sam the Bam wrote:

How do they make castor oil? *Safely, I mean...

Destroy the protein with heat, the same way the oil is freed from the
bean.

What about hemlock? *Can I grow that in
my garden? *Though I don't even know what
it looks like...

There's several entirely different plants named hemlock, including an
evergreen bush that contains no coniine, the nasty part.

DB