For more than 15 years this cultivar has been the best selling Nephrolepis in Europe. It owes its huge popularity to its uniformly high quality, its rapid growth and typical of the Boston varieties its dense and compact shape. The smooth leaflets are intense, fresh green. All these properties contribute to the high ornamental value of this fern. ´Boston Blue Bell´ can be grown and sold in many different pot sizes another property that explains its popularity with hundreds of fern growers.