Presumably another garden escape, seen growing in a street in front of
an electricity substation.

http://www.stewart.hinsley.me.uk/Images/Dicot24.jpg
http://www.stewart.hinsley.me.uk/Images/Dicot25.jpg
--
Stewart Robert Hinsley

"Stewart Robert Hinsley" wrote
Presumably another garden escape, seen growing in a street in front of
an electricity substation.

http://www.stewart.hinsley.me.uk/Images/Dicot24.jpg
http://www.stewart.hinsley.me.uk/Images/Dicot25.jpg

Looks like square stems so a member of the mint family, like Agastache
urticifolia. Giant hyssop, perhaps.

--
Regards
Bob Hobden
W.of London. UK

Is it not Purple Loosestrife?

In message , kay
writes

Bob Hobden;896506 Wrote:
"Stewart Robert Hinsley" wrote-
Presumably another garden escape, seen growing in a street in front of
an electricity substation.

http://tinyurl.com/36bq8bf
http://tinyurl.com/39pwyvb-

Looks like square stems so a member of the mint family, like Agastache
urticifolia. Giant hyssop, perhaps.

--


Is it not Purple Loosestrife?

I think you've got it. (Thanks.) It's much smaller than the general run
of Lythrum salicaria, but I did suspect it of being a depauperate plant
of some species.

I'm used to picking purple loosestrife out as "tall purple-flowered
perennial, not rosebay or great willowherb, growing next to water",
which doesn't work for a small perennial growing in a pavement crack.
--
Stewart Robert Hinsley

It's increasingly available as a garden plant, in various shades of purply pink (none of them noticeably different from the wild, unless you see the two plants together). So you may still have a garden escape ;-)

Purple loosestrife, at least round here, starts flowering later than Greater Willowherb or rosebay.