Perennial: XL and in charge, this stunning and highly adaptable hybrid has a big mounding habit with wavy violet-purple leaves that silver with age (don’t we all?). Stands up to heat and humidity. Tall spikes of tiny pink flowers put on a summer show. Plant in groups for a bold color statement. Evergreen in milder winter regions. Partial sun to partial/full shade. Water: moderate, more during heat. Size: 14” x 18”. USDA Zone 4.