Are they being drawn up to the light because they're shaded in some way? If
so there's nothing much you can do about that

Paul Bonner wrote:
: My potatoes are now 3ft 6 in high.
: They are strong, lush and dark green. I am worried that they are
: going to turn out all top and no tubers.
: What fertiliser should I use to encourage Tubers and less green.?
: The ground that they are on has had several bonfires on it and there
: for is rich in ash
:
: Help please and thanks.
: Paul

Robert