The message
from Jaques d'Alltrades contains
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The message
from Lazarus Cooke contains these words:

I was told that my Lemon Verbena would not survive out of doors, and I
should keep it in a pot over winter.

But I've just read that in London (where I live) while the shoots may
be killed by the frost, it should grow back. I'm sure it would be
happier in garden soil.

Has anyone any experience?

I've never even heard rumours of it being tender. In my (onetime) garden
it survived an indicated -20°C during the winter of (IIRC) 1978/9. It
was still going strong fifteen years later.

Are you sure you're not confusing it with tough-as-old-boots lemon
balm, (melissa) ? LB has crinkly leaves the size of mint leaves. LV has
smaller smooth leaves and smells much more lemony.

Janet