In article ,
Bob Hobden wrote:

Err, outdoor tomatoes don't go outside until all chance of frost is passed,
after Chelsea say, first week in June in most places including here.

See the Climate FAQ - wait for the arrival of the flying pigs!
You simply have to take a risk, even in the south, because there
is a significant chance even in late June, and all year in the
north.


Regards,
Nick Maclaren.