The variety of kale has a vigorous growing habit like most other kales. Expect the plants to grow 2 feet tall with the leaves being 6 to 18 inches long. Lacinato kale is also known as Tuscan kale and Dinosaur kale. The leaves are long and slender with a dark blue-green color and bumpy surface. This kale reaches full maturity in 50 days but depending on the size of the leaf wanted, Lacinato can be harvested sooner or later than 50 days. Kale has become a popular food due to its nutritional value and health benefits.