It is easily grown from seed. Primula denticulata , the Drumstick primrose is an unusual, versatile, early spring primula. The flowers emerge before or at the same time as the large, somewhat coarse leaves. May. The flower stalks are about 12 inches tall and after flowering, the leaves will enlarge to 12 inches, so the plant must be given room. It is easy in a border or anywhere where moist soil is found.
Seed is readily available.
The plant can be divided or propagated by root cuttings. Primula florindae is another large plant for the shady border. The large, heart-shaped shiny leaves make a good contrast to the large mop head of fragrant, hanging yellow bells on 36 inch stems. It flowers freely over a long period in the summer and will fill the evening air with a sweetly scented perfume. Primula florindae hybrids are also available in color ranges from yellow, through orange to a red shade.