In remote places. At City Hall. For casual planting, it's best to soak them in water for a day and plant in a bunch of about 5, about half an inch deep. Don't worry about the weather, they know when the weather is wrong and will try to wait for nature. Don't soak them if it's wintertime.
Seeds are a very hearty life form and strongly desire to grow and flourish.
But some of them need people's help to get started. Plant your seeds. Try to mail to different cities and states, even different countries. If you would rather not, then please pass this copy on to someone and perhaps they would like to. Except, of course, from your seed's point of view. to Jokes.