![Heuchera 'Chocolate Ruffles' a herbaceous perennial a spring summer foliage plant with purple leaves commonly known as alum root, stock photo image Stock Photo - Alamy Heuchera 'Chocolate Ruffles' a herbaceous perennial a spring summer foliage plant with purple leaves commonly known as alum root, stock photo image Stock Photo - Alamy](https://c8.alamy.com/comp/2GDMMCP/heuchera-chocolate-ruffles-a-herbaceous-perennial-a-spring-summer-foliage-plant-with-purple-leaves-commonly-known-as-alum-root-stock-photo-image-2GDMMCP.jpg)
Heuchera 'Chocolate Ruffles' a herbaceous perennial a spring summer foliage plant with purple leaves commonly known as alum root, stock photo image Stock Photo - Alamy
![Heuchera 'Binoche' (PBR) alum root 'Binoche' matt black palmately lobed leaves with panicles of small cream flowers.3 X 9CM POTS £14.99 (Copy) – Broadway Road Nurseries Heuchera 'Binoche' (PBR) alum root 'Binoche' matt black palmately lobed leaves with panicles of small cream flowers.3 X 9CM POTS £14.99 (Copy) – Broadway Road Nurseries](https://broadwayroadnurseries.com/wp-content/uploads/2020/06/Heuchera-Binoche-242x300.png)
Heuchera 'Binoche' (PBR) alum root 'Binoche' matt black palmately lobed leaves with panicles of small cream flowers.3 X 9CM POTS £14.99 (Copy) – Broadway Road Nurseries
![Heuchera americana (Alumroot, American Alum Root, American Sanicle, Coral Bells, Rock Geranium) | North Carolina Extension Gardener Plant Toolbox Heuchera americana (Alumroot, American Alum Root, American Sanicle, Coral Bells, Rock Geranium) | North Carolina Extension Gardener Plant Toolbox](https://s3.amazonaws.com/eit-planttoolbox-prod/media/images/Heuchera_americana--furrymammals--CC-BY.jpg)
Heuchera americana (Alumroot, American Alum Root, American Sanicle, Coral Bells, Rock Geranium) | North Carolina Extension Gardener Plant Toolbox
Alien Plant Invader: Italian arum (Orange Candleflower) | City Green Blog | The City of Portland, Oregon
![Perennial Plant Heuchera Hybrid Known As Alum Root in Rockery in the Garden Stock Photo - Image of nature, flowers: 151548760 Perennial Plant Heuchera Hybrid Known As Alum Root in Rockery in the Garden Stock Photo - Image of nature, flowers: 151548760](https://thumbs.dreamstime.com/z/perennial-plant-heuchera-hybrid-known-as-alum-root-rockery-garden-perennial-plant-heuchera-hybrid-known-as-alum-root-151548760.jpg)