- Name: Scarlet Bandit Onion - Other Common Names: Scarlet Bandit Bunching Onion - Scientific Name: Allium - Color: Scarlet Red, White, & Green - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Harvest: 68 Days - Hardiness Zone: Biennial - Plant Height: 12 - 18" - Plant Spacing: 2 X 12" - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 100 Seeds - Other: Scarlet Bandit Is The Most Beautiful Onion I’ve Ever Seen! These Bunching Onions Are A Lovely Scarlet Red With A Bit Of White, & Look Very Fancy In Salads Or Other Dishes! More Good News - They Will Overwinter, & Can Be Spring Or Fall Planted.