Lettuce 'Rozan'
Lactuca sativa 'Rozan'
Mid-season headed lettuce with a dense red-green head. Tolerates heat and bolting well, offers tender flavor and high yields.
Stages of growth
Planting calendar
How to care
Not required
not required
Keep soil moist for germination
- •Soak seeds in room temperature water for 2-3 hours to accelerate germination
- •Use a light, nutrient-rich substrate for seedlings
Difficulty growing
Suitable for beginners. Minimal maintenance, error-resistant.
Growing conditions
Nice neighbors.
Unwanted Neighbors
Soil preparation
Planting parameters
💡Preparation Tips
- •Dig the bed to a depth of 25-30 cm
- •Add compost or humus (5-10 kg per m²)
- •If necessary, adjust pH with lime or peat
Frequently asked questions(5)
Lettuce seeds can be sown from March to August directly in soil or as seedlings. For spring harvest, sow in March-April; for summer, sow in June-July; for fall, sow in August.
Rozan lettuce is a mid-season variety, ready to harvest in 45-60 days depending on temperature and light. Early plantings may begin harvest in late May, summer plantings in August.
During summer months and hot weather, use shade cloth (30-50% shade), maintain consistent soil moisture, and harvest heads at an early stage before the central stem elongates.
Regular watering 2-3 times per week, weed removal, soil mulching, and complex or nitrogen fertilizer every 2 weeks. Responds well to organic matter.
Main enemies are aphids, slugs, and caterpillars. Prevention: regular spraying with garlic infusion or soap solution, keeping beds clean. Use approved vegetable insecticides if necessary.
Benefits and nutrition
Benefit information coming soon
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