5x Arum lily - MixWow! We are amazed by the striking colours of these calla lilies. The mix contains a range of brightly coloured flowers. Your garden, balcony or roof terrace will be transformed into a colourful paradise! You can also plant the arum lilies in a pond. Plant the tubers in the spring. The flowers bloom in the summer. Space the tubers out when planting. The distance between plants is three times the width of the tuber. Plant the tuber the depth of three