*Herbaceous perennial

* 20cm tall x spreading clump

*White flowers in summer but foliage is main feature

* Full sun to heavy shade, best if full sun for leaf colour

*Medium to wet soil (shallow pond) 

* Frost tolerant as dormant

* Is used as an edible and medicinal herb in Asia

* MAY BECOME INVASIVE (LIKE MINT), SO BEST IN POTS