On Sat, 04 Jun 2011 11:25:31 +0100, Sacha wrote:

hackety

There are perennial forms of sweet peas which are pretty but not
spectacular.

Right. In the next couple of days I'm taking my camera to Saffron lane in
Leicester where there is a bank of perennial sweet peas that is
absolutely purple with flower and has been flowering like the blazes for
at least 3 weeks.

Warwick