Growing great collard greens. That’s coming up on This Land of Ours. Collards are incredibly agreeable plants to grow. And, they work well in hot southern climates as well as chilly northern states. Dark, leafy greens are the mainstay in stuff-that’s-good-for-you lists, and collards are just that. They’re in the same family as other well-established health food powerhouses like broccoli and kale. Collards are …