Versatile as it can be cut in flower or when it sets those gorgeous seed pods.
Albion Black Pod has a lovely white flower that turns into deep mahogany pods if left alone. I harvest the entire plant for ease of harvesting. 1-3 plants can be bundled together to make 1 growers bunch. They also dry very well.
Delft Blue has a bit of a cult following and is at its prettiest in flower. Grey/white flowers are heavily streaked with dark blue. They can also be allowed to form long lasting pods.
The photo is Albion Black Pod in flower. I am seeking more images of either variety.