40 Seeds w/Instructions
Centaurea cyanus 'Black Gem' is a very fine variety, a double flowered cultivar of the blue wildflower form, with lance shaped, long and graceful leaves. The plant has multiple stems which produce many flowers from early summer until fall.
Also known as the Boy series, feature double flowered blooms on tall stems for garden or cutting. “Black Geml” flowers are a lovely rich almost black dark-chocolate hue.
