Mars Landing is, in our opinion, the most unusual of the new iris from Alan McMurtrie as it has new colour breaks of brown with bright yellow, truly spectacular. Cultivate the soil to a depth of 10cms and plant bulbs 6cms deep and 4cms apart. They do not like waterlogged soil, so in heavier soils add grit or humus to help with drainage . Interesting colour combination. We will introduce more of these wonderful selections over the new few years with some even more unusual colours.