60 Days. Super Jericho was developed to endure the heat of summer in arid regions of the world. It performs extremely well during the heat of the summer here in the US while retaining the sweet, crisp texture that it’s known for. It has also performed well in
cool season plantings. Super Jericho produces sturdy, robust plants with large, light green leaves that are succulent, sweet and crisp. Resistant to tip burn and lettuce mosaic virus.
Supplied as untreated seed.