Stewart Robert Hinsley wrote:
In message , David WE Roberts
writes
In my back garden the 'soldiers' grown from last year's fallen
tomatoes are starting to ripen fruit.

From this I presume that they in turn could drop fruit to provide
seed for next year.

So what is there to stop tomatoes becoming naturalised in the UK?
I assume that the current climate is conducive to outdoor tomatoes
and the last winter was certainly pretty harsh.

I found a volunteer tomato plant (only about 9 inches high) growing
in a pavement a few weeks back.

Actual naturalisation, rather than local persistence, or the
occurrence of causal plants, would require something to disperse the
seeds.
(There's also a 10 or 20 yard colony of a late growing potato in a
roadside verge a few miles away; I'm fairly baffled as to how it got
there.)


Some potatoes fall off a lorry, one of them manages to grow, leaves some
tubers in the ground, the next year several grow...

?


Ian