All you need to do is just post THIS

So much diversity! What varieties did you grow?

I would totally play this game!

Yeah, the graphic was most likely made with North America in mind. For continental Europe you probably need to look a bit lower in latitude than where you actually are due to the gulf stream.

Ohhhh I kept hearing the email analogy but never WHY it was like email. Thanks for the ELI5!

Great idea adding the pond water! Sounds like a really fun project.

Yep! And your approximate continental situation on the x-axis.

I would recommend spider plants! They are extremely easy to grow and care for, they tolerate many different soil types and moisture levels, and they spread quickly so you can get a whole bunch of baby ones to keep your collection growing. And an added bonus, they are one of the best plants for air purification!