Aztec

5-16-19

5-19-19
I've had mine for a decade or so, they usually bloom, but some years don't.
Like you, zone 6 and over wintered in cool basement; same as Pineapple Lilies, Blood Lilies, and Gloriosas...plus Rain Lilies, some Oxalis, Agapanthus, Bessera, Elephant Ears, Crinum, and Calla Lilies.
Potted Lilies are overwintered in garage.