Annual plants grow to 8-12 inches tall
Feathery foliage and bluish-white flowers
Seed pods resemble inflated balloons
(Nigella sativa) Also known as Roman coriander, this annual herb is grown for its aromatic black seeds that may be ground and used like pepper. Feathery-leaved plants have soft blue to white flowers with downward-turned petals that resemble a skirt. Like their relative, Love-in-a-Mist, the flowers of this species are followed by ornamental pods perfect for dried arrangements. Annual.