https://www.cnet.com/news/julia-roberts-thriller-homecoming-leaves-burning-questions/

First, a warning: If you still haven't seen the whole first season, stop reading now. Unless you don't mind spoilers, that is.

It's not just the constant chatter about Florida's palm trees, which can easily be seen from Heidi's office window. The whole Geist corporation is made up of departments named after trees: dogwood, willow and elm, to name a few. The Redwood department was the one in charge of the Homecoming program.