Let it look like a tree in fall. I'd say go 2 weeks, or more, unless you're expecting a frost/freeze.
I've had outdoor plants handle upper 30's, but regardless when you think she's done, wait a week.
No more food. Let her cannabilize herself for food. Hopefully you get some chilly nights (wherever you are)
Just about all strains will get purple with chilly temps. She was super clean/potent smoke. If I can remember this plant from that long ago, it was good.
Here's a bud off an outdoor plant years ago.
With phones these days, no need for a loop