Most people are confused between spices and herbs. A spice is
usually any dried part of a plant, such as dried bark, roots, berries, seeds,
twigs or anything else that isn’t green or leafy.
As you may have guessed, the green and leafy part of a plant is
considered a herb! Herbs can be used whether they are dried or fresh, as
opposed to spices, which can only be used dried, generally for seasoning and
flavouring but not usually the main ingredient.