Pard, they will grow there and do very well, UNLESS there is an unusual cold spell. the Crinum can get huge, I quit selling them since we couldn't dig them with a front loader during the rainy season for spring sales. Try a small variety in case you ever want to move it.
The rain lilies did well to, unless there was a really bad cold spell, they are small enough to grow in a pot or lift for the winter in case that happens.