F1 Hybrid
Summer Green
Type: Semi-flat
Maturity: 50 days after transplanting
Average head weight: 1-1.5kg
Optimal growth temperature: 10-25℃
Heat tolerance during head formation: 38℃
Disease resistance: Moderately resistant to black spot disease
Distinctive features: Very uniform, bright green color, round and nicely symmetrical with a smooth, angle-free head, especially heat-tolerant, resist bursting with a deal choice for long shipping.