On Wed, 28 Jan 2009 13:34:56 +0000, Chris ] wrote:

Grow them under a fleece cover and keep it on until you harvest.

The problem with that is that I usually harvest just a few each day -
and I suppose the flies would get in during that time, wouldn't they?
(Also - what about weeding?)

Lift the fleece, weed or harvest and replace it asap. I can't see
you'd get many in in that time! It works for me.

Pam in Bristol