Iris Cohen schreef
And do what? Guess on the spot, instead of from behind a computer
screen?

That's what I would do, look at it closely to see if there may once have
been two plants.

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How easy will that be, if the original plant is assumed to have died in
1999? Also the owner may not look kindly upon his flower bed being dug up.

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PS: am I closer? Maybe YOU should go look?

I hope you know I was kidding. From the spelling I assumed the questioner
is British.
Iris,

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You may be right, it does look British
PvR