what is the difference between garden peas and marrowfat peas?
To be clear, there is nothing wrong with the garden pea, far from it. It's just not a mushy pea. The main difference between Marrowfat peas and frozen peas is size and age. The Marrowfat peas are grown to maturity and allowed to dry, so varieties grown as Marrowfat peas are starchy peas which grow to a large size.