1000 Yellow DESERT MARIGOLD Baileya Multiradiata Flower Seeds BLOOM TIME: Spring HARDINESS ZONE: 3 - 9 PLANT HEIGHT: 18 - 24" . . . PLANT SPACING: 6 - 9" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Dry The bright yellow blooms of the Desert Marigold contrast beautifully with its silvery-green leaves. As its name suggests, the Desert Marigold tolerates heat and dryness with a smile.