Just because you have a garden, doesn't mean you can't patronize your local farmer's market(s) every now and then. You never know what you'll find that might strike your fancy. And while we may grow our own, few of us have resources vast enough to even begin cultivating the amazing variety that exists in nature's bounty.
So support your local food providers and take a look at what's available out there. A good place to start would be local newspapers. And of course, there is always the internet.