This variety is a real dwarf - only reaching a height of 40 to 50cm with a maximum width of about 1m. As such, its compact growth and ball form making it very suitable as a terrace or balcony plant. As ‘Luca’ is completely cold hardy it’s perfect for planting in gardens without its rhizomes spreading and invading the garden. In addition, the plant is hardy and requires little or no maintenance.
It is one of the entries for the RHS Chelsea Plant of the Year competition 2018.