OH MY GOOOOOOOOOOOOOOOOOOOOOOD!
HEADCANON ACCEPTED!
Pretty much this. I mean, yes, it’s easily debunked with what kind of tree they become, but imagine if they somehow merged with the very seeds they planted to become the intertwined apple and pear trees we saw at the end of The Perfect Pear…
Ahem, uploader. Did you watch the Perfect Pear? They planted those seeds and those seeds grew into those trees showing that they put their own love for each other into planting them.
Also, A Health of Information did basically state that they would have become those Swamp Fever trees so no.