Now that Spring has sprung, there's one thing that can't stop growing — the urban gardening rage. First Alice Waters was all over the news, then the Obamas planted a garden in the White House, with California's first lady following suit shortly thereafter. And a few days ago, we told you this dainty mixed-herb garden was one of our must haves for April. With the promise of warm weather for the next half year, this booming craze is only bound to get bigger. Have you caught the gardening bug yet? Tell us what you grow below.