Heucherella 'Onyx' is a welcome addition to the foamy bells resembling the bold purple-black Heuchera 'Obsidian' but possessing showier flowers emerging white from pink buds and possessing more shade tolerance than coral bells. The leaves of 'Onyx' are black, glossy, and deeply cut and plants are heat and humidity tolerant. Young plants may be shy to bloom.
Americas - North America
Miscellaneous - Garden Origin