Cooking Mama series off into another creative field: gardening. All we know so far is that there's a DS game on the way from Taito called Gardening Mama and that it's scheduled for this winter. There's an infinitesimal possibility, we suppose, that the game is about the "Gardening Mama" terra cotta protectant, but it's much more likely to be a minigame collection about planting and caring for different plants starring the lovable Mama mascot.
DeviantArt user whitebelt247 correctly predicted the announcement of the game in the above artwork, posted in late August. He just made the box for the wrong system (for now)!