In message , Gareth
wrote

I was very naive about gravel and just assumed that weeds would not be
able to grow on gravel!

http://snowdropsgarden.co.uk/beth_00/beth03.htm
http://www.greenspaceplanting.co.uk/...0Garden%20-%20
gravel%20garden%20L.jpg

I see that weeds even manage to grow on tarmac and occasionally even
stone paths where there is even a small crack in the stone.

http://www.environetuk.com/japanese-...roperty-buildi
ng-damage.aspx

--
Alan
news2009 {at} admac {dot} myzen {dot} co {dot} uk