Posted: 02/06/2013 at 11:57
John H - many thanks for the info on the Twisters - I did wonder how the lower end was attached.
The bell cloche is a brilliant idea - I do like it when you can make something useful from what otherwise would be thrown away. I've not thought of using water cooler size but have used 2 litre bottles.
You can cut off 3 or 4 rings of sufficient height to dissuade slugs and snails attacking young lettuces etc. I thought if they did decide to climb up the sides they might slip on the smooth surface (or would they grip more easily?) or at least be unwilling to make the rather tight turn across the sharp edge at the top - assuming they did make it that far.
When I did this a couple of years back I just pushed each ring into the soil a bit so it was very easy to get out again. It seemed to work Because we had more lettuces than we could eat.