Home / All Seedlings / Basil- Dark Opal (plant) You cannot add "Salad Burnet (plant)" to the cart because the product is out of stock. 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 Skullcap- medicinal perennial (plant) $4.50 Add to cart Rosemary (dried) $2.75 Add to cart Lemon Balm (plant) $4.50 Add to cart Mint- Chocolate (plant) $5.00 Add to cart