Do primrose flowers spread?

Primroses will spread steadily, especially if exposed to light every few years, so if they are in a border make sure they are under planting shrubs that can be pruned hard every now and then. They are perennials that will last for a number of years but will spread quite fast by seed.Click to see full answer. Similarly, do primroses multiply?As multicrowned herbaceous perennials, primroses multiply by forming clumps of rosettes, each capable of growing as an individual plant. After primroses stop blooming, dig up the plants and divide.Likewise, how do wild primroses spread? In the wild, primroses are colonising plants that gradually spread from an original clump. By dividing the clumps, gardeners can take advantage of this tendency to spread to get new plants for free. Summer through to autumn is the best time to divide them, but you can also try this with newly bought plants, too. In this regard, do primroses come back every year? Primroses can only be grown as perennials in certain climates. Primroses are hardy in U.S. Department of Agriculture plant hardiness zones 3 through 8, so if you live in one of those climates, and if you care for them properly, your primroses will probably last through the heat of the summer to bloom another year.How do you keep primroses blooming?Keep primrose plants looking their best with regular pruning of dead leaves and spent blooms. If you want to collect the seeds of your primroses, wait until late summer or early fall before taking them. Store them in a cool, dry place until the following planting season or sow them in a cold frame.