Get them in as soon as you can, Daisy!. What they have in their catalogue under the name M. flaccida aurantiaca appears from their picture to be Moraea collina (syn. M. aurantiaca), rather than M. flaccida, which instead has yellow-eyed flowers, but anyway both will flower in spring, as does M. polystachya. M. polystachya is particularly drought-tolerant.