Forget fancy light table set ups. Visit WinterSown.org to learn how to start your seeds outdoors in the winter, and they'll send you six free packets of seeds that are appropriate for winter sowing in your area.
To Get Your Seeds: You'll need to complete a quiz on the site. Once you get to the end of the quiz, there will be a page with instructions on how to get your free seeds.
Swap Seeds Online
Sign Up for Gardening Catalogs
Many of the garden catalog companies offer $25 off of your first order of $25 or more. Snag a couple of these promotional offers, and you should be able to order enough free seeds to plant your entire garden:
Find Local Seed Exchanges
Many garden clubs hold annual seed exchanges. Check with your local garden club to see if they have one coming up.
Host a Seed Swap Party
Invite some of your gardening buddies to a seed swap party at your house. It's a fun way to spend an afternoon, and a great way to expand your garden on the cheap.