Olbrich Botanical Gardens. Despite the fact it doesn't look anything like what I normally associate with "lily", I love this plant. Enjoy, and thank you for any comments.
I have never heard this referred to as a fiberlily!
They are called Phormium or plain old Flax here in NZ - and they grow wild in many places. There are many varieties and your Maori Sunset looks a lovely one.
Stan