".......... Advice please on sewing Dahlia 'bulbs', how, where, when
etc...."

Your best bet to find out all about growing dahlias from tubers and plants
is to go to this site for a start.
If after this you still have questions and are keen on dahlias then it could
be worth you joining "Dahlia net"
To Subscribe :

P.S. you have just highlighted one of the problems with Spell checker.It
cant tell the difference between "sowing seed"
and "sewing a button onto clothing".

David Hill
Abacus nurseries
www.abacus-nurseries.co.uk