Heuchera micrantha ‘Palace Purple’

alum root 'Palace Purple'


Heuchera micrantha ‘Palace Purple’ is a semi-evegreen herbaceous perennial forming a neat dome of dark metallic bronze-purple, angularly-lobed, textured leaves.

In early summer a wafty haze of dark pink flowers on wiry stems is produced, but ‘Palace Purple’ is grown primarily for its magnificent foliage.


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Origin: North America
Genus: Heuchera
Species / Cultivar: Heuchera micrantha var. diversifolia 'Palace Purple'
Common Name: alum root 'Palace Purple'
Synonym: Heuchera sanguinea 'Palace Purple'

Plant Biography

Heuchera are a group of semi-evergreen herbaceous perennials from the woodlands in North America that have become extremely fashionable in recent years due to an almost chameleon-like ability to breed a range of foliage tints from red, through purple into brown, then orange and into yellow. The colour combinations now possible are seemingly endless!

The genus gets its name from the botanist and medicinal plant expert Johann Heinrich von Heucher (1677-1747), while the specific epithet ‘villosa’ means ‘covered with soft hairs’.

Heuchera micrantha ‘Palace Purple’ is a semi-evegreen herbaceous perennial forming a neat dome of dark metallic bronze-purple, angularly-lobed, textured leaves.

Heuchera micrantha 'Palace Purple'
Soil: Moisture Retaining
Soil that drains at a slower rate due to higher organic matter content.
Growth Rate: Fast
Expect to see prolific growth, especially during growing season.
Water Requirement: Medium
Once it is established, this plant is likely to only require watering during drier periods.
Maintenance: Low
Minimal skill or input needed beyond the basics, a very independent plant.
Situation: Full Sun to Part Shade
Enjoys direct sun most of the day, but tolerant of fewer sunlit hours or light dappling.
Eventual Height: 0.1 - 0.5m
The plant's ultimate height in typical growing conditions.
Eventual Spread: 0.1 - 0.5m
The plant's ultimate spread in typical growing conditions.
Hardiness: Hardy
Survives unprotected in an average winter. May need protection in extreme long frosts.
Habit: Semi Evergreen
May only remain evergreen in milder winters, or only loose leaves for a short period.
Lifecycle: Perennial
This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.
Care & Size Guidance

Care & Size Guidance

The reliable and easy-care nature of the plant combined with the striking colour has made it extremely popular since first introduced – one of the first colourful hybrids – a selection from plants raised initially from seed taken at Kew Gardens and named after the Royal Palace there.

An ideal plant for borders and underplanting larger trees, the Heuchera villosa grows best in moisture retaining, slightly acidic soils. The fibrous roots makes them suitable for rocky soils and shallow throughs where other plants might struggle.

In harsher winters, the plant may lose its foliage completely but it comes back from underground strong the next spring. Cut back hard in late autumn and mulch to provide a layer of protection. Remove tattered winter foliage in early spring before new leaves emerge.

Plants can be divided every 3-4 years to rejuvenate and encourage new growth.

Expert Tip

This is a shade tolerant heuchera that may be grown in rock gardens, borders, open woodland gardens, rocky slopes or native plant areas. It is best planted in groups or massed. For an interesting foliage contrast, it can be paired with other varieties of Heuchera or Carex grasses.


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