Gochujang King peppers are a Korean hybrid variety known for their use in making gochujang, a traditional Korean chili paste. These peppers are long, slender, and ripen from green to a bright red. They have a hot pungency and are used to make gochugaru (dried pepper flakes) for gochujang. 
Key characteristics:
Type: Korean hybrid pepper, Capsicum annuum.
Pungency: Hot, with a Scoville rating of 500-1500 SHU.
Shape & Size: Long, slender, 6-inch peppers.
Color: Green to bright red when mature.
Uses: Primarily for making gochujang (chili paste), gochugaru (chili flakes), and in various Korean dishes.
Maturity: 90-100 days (from transplant).
Growing: Start seeds indoors 6 weeks before last frost, transplant in late spring/summer.
Soil: Well-drained, fertile, and slightly acidic (pH 6.5).
Temperature: Warm (70-85°F)