Home / All Seedlings / Basil- Dark Opal (plant) Basil- Dark Opal (plant)$4.50 Ornamental dark purple basil used like common basil for seasoning. May have a few green leaves. Beautiful in salads and in your garden! Out of stock Categories: All Seedlings, Herbs Related products Rosemary (dried) $2.75 Add to cart Goji Berries $5.00 Add to cart Skullcap- medicinal perennial (plant) $4.50 Add to cart Mint- Chocolate (plant) $5.00 Add to cart