Annual or Perennial Herb: Very cold tolerant. The Osaka series boasts tightly packed, compact heads, they are vigorous & uniform, producing layers of leaves with wavy edges. Osaka 'Red' has colorful wavy dark purple leaves with red on heads that form a pretty rosette. Great bedding, border, container or accent plant. Edible. For color & zest, add to salads or stir-fries. Height: 6-12 in. Width: 12-18 in. Exposure: sun. Water: moderate/moist. UDSA Z7-11.