Unzen Flat Onion

The ultimate salad onion, this flat white variety is crunchy and juicy, and drips with sweet onion flavor. This short day onion hails from Nagasaki, Japan, and is considered an important variety in Japanese culture and cuisine. Named for a volcano that overlooks Nagasaki, Unzen is ideal for snacking, adding to salads, or topping sandwiches. The roots are small, flattened and perfectly uniform. It is a traditional variety of this famous Japanese city on the island of Kyushu.

• • 6-12 hours of Sun
  • Sprouts in 7-14 Days
  • Ideal Temperature: 45-80 Degrees F
  • Seed Depth: 1/4″
  • Plant Spacing: 4-6″
  • Frost Hardy: Yes
  • Allium cepa
  • Growing Tips

    Usually started indoors 8-12 weeks in advance of planting out, typically 3-4 weeks. Does best in rich, moist soil.