500 OREGANO Origanium Vulgare Herb Flower Seeds BLOOM TIME: Summer HARDINESS ZONE: 5 - 10 PLANT HEIGHT: 18 - 24" . . . PLANT SPACING: 18 - 24" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average Pastel Purple Flowers. Oregano is fragrant and tasty fresh or dried.