150 GOLDEN ALEXANDER (Golden Zizia / Meadow Zizia) Zizia Aurea Flower Seeds BLOOM TIME: May - June HARDINESS ZONE: 3 - 9 PLANT HEIGHT: 12 - 24" . . . PLANT SPACING: 6 - 18" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average - Dry Golden Alexander has heart shaped foliage, and is a butterfly host plant for the Missouri Woodland Swallowtail Butterfly.