Houttuynia cordata 'Chameleon' - 2012

You are so brave growing this Andrew, how do you stop the underground spread?

It's growing in a planting basket on the edge of my pond. Every three years or so, I divide it and pot up some for plant sales (with a health warning of course)

Thats good as it is a pretty plant, I grew it in a large pot and it escaped under my patio took me 5 years to get it out of a flower bed, never again.