← Back to plants
Osaka Purple Mustard

Photos are representative and may not match your specific variety.

Osaka Purple Mustard

Brassica

Brassica juncea 'Osaka Purple'

  • Partial sun
  • Zones 8–9
  • 21 days to maturity
  • Vegetables
  • 4" spacing
  • High water
  • pH 6–7.5
Add to my garden
  • Overview

    A stunning Japanese mustard green with deep purple leaves and bright green stems that creates an eye-catching contrast in any garden bed or salad bowl. This fast-growing beauty offers a mild mustard flavor when young that intensifies as leaves mature, giving you versatility from baby greens to cooking greens.

  • Planting

    Direct sow 2-4 weeks before last frost. Succession plant every 2-3 weeks. For fall crop, sow 8-10 weeks before first fall frost.

  • Growing

    Sun: partial. Water: high. Soil pH: 6–7.5. Space plants 4" apart. Germination: 4-7.

  • Pests & diseases

    Common pests: Flea beetles, aphids, cabbage worms. Common diseases: Downy mildew, white rust, black rot.