There exists a difference between the modern variety and the older variety of spinach. The reason is that the older varieties produce seeds quickly during warm conditions, while the modern varieties grow more rapidly as compared to the older varieties.
There are three primary varieties of spinach:
Has dark green, curly, and crinkly leaves. It is a variety that is sold in fresh bunches in various retailers (Jansen, 2018). Besides, Bloomsdale is one heirloom variety of this type of spinach. This variety is also resistant to bolt.
It has smooth broad leaves that are always easier to clean as compared to savoy. This variety is usually planted for frozen and canned spinach (Jansen, 2018). Besides, it is also used for processed foods, baby foods, and soups.
This kind is a hybrid variety, it has crinkled leaves. Additionally, it has the same texture compared to savoy, but it is easy to clean (Jansen, 2018). This variety also is grown for both processing and fresh markets. This variety is widely produced in the world in that it is resistant to producing seeds.