McGregor's Marathon Broccoli Vegetable Seed SKU: 135210 MODEL: M6160 Error. try again later You've successfully joined the club $ 3 .18 each Available on orders $50 to $1500. More info × Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants Vigorous and sturdy plant with a well-shaped dome head. Features and benefits Harvest in approx 100 days.