Belonging to the Primula genus (Primula vulgaris 'Viridis'), Viridis is a variety of Common Primrose. This variety is a Flower that typically grows as an Perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more. Viridis is known for its Clump-Forming habit and growing to a height of approximately 15.0 cm (5.85 inches). This variety tends to bloom in early spring.
Due to how easy it is to grow in a variety of conditions, Viridis Common Primrose is great for beginner gardeners and those that like low maintainance gardens.
This variety plant info is provided by the myfolia gardener's wiki. All details about Viridis have been kindly provided by our members.
By our calculations, you should look at sowing Viridis about 105 days before your last frost date.