Most often, just keeping the soil moist is adequate, but some types of seeds need to be soaked right away just before planting because their coats are so rough. The width of your container depends on what number of seeds you are planting; be sure you let loads of space https://www.transplant-doctors.com/wall/blogs/6410/Seed-Germination-Process-A-Step-by-Step-Guide-to-Growing