100pcs Green Asparagus Lettuce Seeds Vegetable Garden Biennial Herb Plant

Green Asparagus LettuceSeeds Vegetable Garden Biennial Herb PlantLettuce, also called stem lettuce, celery lettuce, asparagus lettuce, or Chinese lettuce, is a cultivar of lettuce grown primarily for its thick stem, used as a vegetable.The stem is usually harvested at a length of around 15cm to 20 cm.Its taste crisp, moist, and mildly flavored, and typically prepared by slicing and then stir frying with more strongly flavored ingredientDescription:Scientific name: Lactuca salivaSowing time: April to early of middle of MayGermination time: 5-7 daysSeedling time: 40-50 daysGrowth Habit: Temperature of Germination 4-20? (optimum temperature: 15-20?) Growth of Optimum Temperature 15-20? (evening temperature:12—15?) Soil Environment Loose soil, Well drained, High organic content Soil pH Subacidity(sandy loam soil) Growth Environment Cool, Frost tolerance, Not endure high temperature Sunlight Requirement Halfshadow, Sunlight Seed Treatment:1. Soak seeds with clean water for 24 hours2. Take out and dry them, then wrap the seeds with gauze, and place gauze into refrigerator for 24 hours (temperature of -3? to -5?)3. Take out the seeds and place in a cool place4. Can be sowed after 80% seeds sproutSowing Tips:1. Mix the seeds with a few grains of sand, then Sow them on the surface of growing media one by one at a certain distance2. Coverby a layer of nutrient soil, then water the soil until thery are just watered thoroughly, and cover with shading net3. Remove the shading net after sprout and sprinkle some dry fine soil to fix the seedlingsPackage Contents:100 x LettuceSeeds