Maybe if things get too tough we’ll appreciate it as a food source:
https://www.phillyorchards.org/2020/04/22/japanese-knotweed-edible-medicinal-invasive/
My suggestion is to send all we can to Martha’s Vinyard….
—”edible and have been described as a cross between asparagus and rhubarb.”
We enjoy watching ALONE, and wondering what’s for dinner if things go sideways.
But the suggested serving time was early spring.