Even though in zones 7 – 10 the bulbs may be left in the ground; it would be better to dig them out in fall and they will flower best next season.2
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Byzantinus is thought of as hardy, so Byzantinus will tend to go dormant or grow slowly over the winter months.Genus name comes from the Latin word (gladius) meaning sword in reference to the shape of the leaves.2