On 23/09/2012 19:39, Dave Liquorice wrote:
On Sun, 23 Sep 2012 18:47:27 +0100, Farmer Giles wrote:

Oh dear, how many times do I have to say that I don't intend to grow it
*in* the water!

I'm not sure how you propose to grow watercress without it being in the
water. It's an aquatic/semi aquatic plant...

It is quite possible to grow watercress in trays if they are kept damp
with misting