In message , Jan
writes

We have just put a small pond in and an accompanying bog area at our
allotment - any ideas on plants that will give aeration to the water
and food for the tadpoles.

Also any ideas of place to get them as I spent all day driving around
places in London asking about this and it obviously isn't a 'London'
thing

Try http://www.bromfieldaquatics.co.uk/

In Hitchin, but note they like you to ring before visiting.

--
dave @ stejonda

"To materialist eyes, India is a developing country;
to spiritual eyes, the United States is a developing country."
Ram Dass (an optimist)