Plant, flower and vegetable seeds are easy to order over the internet and by mail. Some of the more popular garden seeds are self-pollinating seeds such as tomatoes, peppers, beans, peas, and lettuce. Popular flower seeds include sweet peas, mums, asters and daisies. Vegetable, plant and flower seeds can be purchased starting at approximately 99-cents per packet online. While vegetable seed collections start at approximately $30 online and include a variety of vegetables such as tomatoes, pumpkins, squash, beans, broccoli, carrots, eggplant, leaf lettuce, various melons, spinach, red peppers and cucumbers - a great way to start your garden.