Grown for both culinary and ornamental uses,first discovered in the early 1800’s, it is a sweet basil cultivar with deep purple glossy leaves and lilac flowers making it a beautiful ornamental plant too. Opal makes wonderful aromatic oils, vinegars and colorful pestos.
Germination: 5-10 days
Seed Planting Depth: Lightly cover
Seeding Indoors/Outdoors: Start indoors 6-8 weeks before last frost. Provide 65-70 degrees soil temperatures.Transplant 6-12" apart. Sow outdoors in the late spring when soil warms to 70 degrees. Thin to 4-12" apart , less space apart for baby sized basil and more for mature plants.
Light Needs: Sun
Soil Needs: Fertile, moist soil
Uses: Culinary, medicinal, attracts bees and beneficials.