Earlier quoted context omitted.
I’ve never heard of Black Locust and I don’t recall it being an option when I built a deck a few years back (perhaps it was though!) but reading about it I wish I had. I ended up just using pressure treated pine (the exotics were 10’s of thousands more) but when it’s time to rebuild I’ll certainly consider Black locust. Apparently it takes stain well too.
My porch is made of that newfangled plastic wood and as much as I hate the idea, I love how long it will last.
I will never use real wood for a flat outdoor surface again.