Gina, thank you for this really informative post!
Over time, this thread may go dormant but if you add the information to the comment section on the database page it will remain available for all time and it will make it easy to direct someone to. I hope you will consider copying and pasting the info to the database!
At the bottom of the database page for
ZZ Plant (Zamioculcas zamiifolia), in the area that says:
Adding Actions:
Select:
Post a comment and type, or copy/paste the info into the box. Scroll down and
Select: Preview and then
Select: Finished