Robuta

https://www.rhs.org.uk/plants/256801/heuchera-villosa-palace-purple/details Heuchera villosa 'Palace Purple' | alum root 'Palace Purple' /RHS heuchera villosa palace purple alum root rhs https://www.rhs.org.uk/plants/61606/heuchera-villosa-royal-red/details Heuchera villosa 'Royal Red' | /RHS heuchera villosa royal red rhs