Kale and Collards-Some of the Cold Hardiest Vegetables in Existence

Kale and Collards-Some of the Cold Hardiest Vegetables in Existence Kale and Collards are probably the earliest cultivated variations of the European wild cabbage. Kale is known to have been widely grown by both the Greeks and the Romans. From a scientific classification point of view, kale and collards are considered to be the same plant – just two different…