Furthest Phoenix Dactylifera (true date palm) from the equator?

[UK_Palms]

Throwing in this London Dactylifera as being the furthest north / furthest from the equator Dactylifera in the world at 51.4N latitude.

It has been in situ there in Wimbledon for at least 6-7 years now and was planted as a tiny seedling. I doubt it has ever been protected there and it is actively growing quite considerably.

 

Looks like it was planted as a small little palm in 2018 or 2019...

 

It grew considerably within a year or so by 2020...

 

Most recent shot about 10 months ago...

 

Not surprised to see a dacty surviving and growing in London given all the CIDP's and also given that one or two have been posted in Paris at 48.5N latitude. However this is basically 3 degrees of latitude further north than any in Paris. I wouldn't be surprised if there are even further north ones in parts of London or the east coast of England where it is quite dry.

[UK_Palms]

So a strap leaf seedling is actually visible in the May 2017 street view image as well, meaning this London Dacty must have survived the February 2018 freeze when it was very small, as well as the December 2022 freeze. So it would have been growing there at least 9 years now. I wouldn’t be surprised if it grew from a discarded date pip.