Rs 300 / UnitGet Latest Price Minimum Order Quantity: 10 Unit Usage : Dye manufacturing Pack Size : As per buyer needs Brand : Ncv Dried : Yes Packaging Type : as per buyer needs Indigofera tinctoria seeds( true indigo) higher germination rate. well cleaned best quality. seeds can be started indoors 4-8 weeks in advance if a head start is desired, or they can be direct sowed once the danger of frost has passed. Sow at a depth twice the thickness of the seed. Optimal germination temperature is between 68 and 85 degrees fahrenheit. the seed coats are somewhat hard. some growers will choose to nick or file the seed coat and soak for 24 hours prior to planting. they prefer a fertile, well-draining soil with a mix of sand and loam. alkaline soils are best.