500 DARK OPAL BASIL (Purple Ruffles) Ocimum Basilicum HERB Flower Seeds HARVEST: 85 Days . BLOOM TIME: Mid Summer - Early Fall HARDINESS ZONE: Annual (but reseeds itself easily, so it acts like a perennial in all zones) PLANT HEIGHT: 18 - 24" . . . PLANT SPACING: 12 - 15" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average Reddish purple crinkly leaves with pink flowers. This Basil has a wonderful perfumed scent. It has a medium flavor that goes well with pasta and rice dishes. It is also used to flavor oils and vinegars. It is also a highly prized ornamental herb because it keeps its rich color all season long.