100x Tubers - Mix 'Butterfly'This mix contains a real mix of types and sizes! The gladiolus, harlequin flower and bog arum don't look anything alike. But they go together so well! This garden full of tubers attracts butterflies. 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 times the tuber's height. Plant the tubers in the