The name translates to Red Jewel, and this sweet red onion from Japan is celebrated for its mellow profile and noticeable lack of pungent flavor and odor. Its deep purple color continues through each layer. These plants reach 30 inches tall and the flattened, globe-shaped bulbs reach about 12 ounces on average. Excellent for raw eating or roasting. 80 - 120 days from see; small bulbs mature in 30 - 45 days Intermediate day Sprouts: 7 - 14 days Ideal Temp: 45 - 80 Seed Depth: 1/4 inch Plant Spacing: 4 - 6" Frost Hardy: Yes Full to Partial Sun Allium cepa