>......vigorous you could also use any hybrid of tender species (e.g.
>P. x kewensis, P. x 'Tina', P. x 'Weser'). In america this probably
>means any hybrid as I doubt there are many, if any, hybrids of hardy
>species available through.........
I have seen "tender species" and "hardy species" used before by
Pinguicologists but am not quite sure I understand their meaning. Could
you please explain.
Cheers
Terry