Phoenix Perennials and Specialty Plants

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Heucherella ‘Onyx’
Common Name: Foamy Bells Family: Saxifragaceae (The Saxifrage Family)

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.

Geogrpahical Origin:
Americas - North America

Miscellaneous - Garden Origin

ClassEvergreen Primary Bloom ColourWhite/Cream
TypePerennial Secondary Bloom ColourPink
Height8-12" Bloom TimeSummer
Spread12-24" FragranceNo
Light Exposure Foliage ColourBurgundy/Red/Purple Good Fall Colour
Soil Moisture Stem Colour
Hardiness4-9 BerriesNo
BC NativeNo

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*The Plant Encyclopedia is updated each year to provide a close representation of our selection. Not all plants will be in stock at all times. If a certain plant is not available we might have a similar cultivar. We encourage you to email us at info at or call ahead to check availability (604) 270-4133.

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