Jericho Romaine Lettuce is an open-pollinated variety that produces large sword-shaped, upright leaves. It is also very resistant to many strains of downy mildew, making it a great option for those growing in areas with high heat and humidity. Bred in Israel, the Jericho Lettuce stays sweet and crisp even in hotter climates.
Jericho Romaine Lettuce performs best when transplanted. Transplanting allows for more consistent plant spacing and prevents seedlings from competing with weeds in the early stages of the plant. We recommend starting transplants 3-4 weeks before the desired outdoor planting date. Thin plants to one seed per cell to ensure adequate growing space. Jericho Lettuce transplants grow great in our heavy-duty seed starting trays, where they develop a solid root ball with roots that are trained to grow downward.
Lettuce transplants will need adequate fertilization once seedlings form the first set of true leaves. We recommend injecting 20-20-2o through the seedling watering system at least once a week to ensure plants are sufficiently fed. This can be done easily with our Brass Siphon Mixer and a five-gallon bucket. Plants are ready to go in the ground when they can be easily pulled from the cells in the seed starting tray. To maximize garden space, plant lettuce on double rows with 8-12″ between plants.
Jericho Romaine Lettuce Planting Information
Planting Method: transplant
When to Plant: early spring and fall
Planting Depth: 1/4″
Seed Spacing: 8-12″
Row Spacing: 18-24″
Days to Maturity:
29 (baby leaf)
Disease Resistance: Downy Mildew
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