The message
from Lee and Kath contains these words:

Ditto! I have tried all sorts of things to make mine thrive. I still
only have 3 measly plants. What
soil do they like?

Damp, shaded clay with an overlay of lefmould - and they go wild.

--
Rusty Hinge
horrid·squeak&zetnet·co·uk
http://www.users.zetnet.co.uk/hi-fi/tqt.htm