Primula bulleyana, commonly known as Bulley's Primrose, is a striking perennial plant that features vibrant orange flowers and attractive foliage. Here is a detailed description and care guide for Primula bulleyana:

Description:
Primula bulleyana is a clump-forming perennial that typically grows up to 12 inches (30 cm) in height. It has basal rosettes of dark green, lance-shaped leaves that are slightly serrated along the edges. The leaves form an attractive mound of foliage. In early to mid-summer, tall flower stems rise above the foliage, bearing clusters of trumpet-shaped flowers. The flowers are usually orange in color, sometimes with a yellow or reddish tint, and they have a contrasting yellow eye in the center.

Care Guide:

Light: Primula bulleyana thrives in partial shade to full shade. It prefers filtered light or areas with dappled sunlight. Avoid exposing it to direct, intense sunlight, as it may scorch the leaves.

Soil: Provide a moist and well-draining soil for Primula bulleyana. It prefers soil that is rich in organic matter and slightly acidic to neutral pH.

Watering: Keep the soil consistently moist but not waterlogged. Primula bulleyana appreciates regular watering, especially during dry periods. Avoid allowing the soil to dry out completely between waterings.

Fertilizer: Apply a balanced, slow-release fertilizer in early spring to promote healthy growth and abundant flowering. Follow the package instructions for the recommended dosage. Avoid over-fertilizing, as it may lead to excessive leaf growth at the expense of flowers.

Mulching: Apply a layer of organic mulch, such as leaf litter or compost, around the base of the plant to help retain moisture, suppress weeds, and provide some insulation.

Division: Every 2 to 3 years, consider dividing the plant in early spring to maintain its vigor and encourage new growth. Carefully dig up the clump, separate it into smaller sections, and replant them in well-prepared soil.

Pests and Diseases: Primula bulleyana is generally resistant to pests and diseases. However, it may occasionally be susceptible to slug and snail damage. Monitor the plants for any signs of infestation and take appropriate measures if needed.

Winter Care: Primula bulleyana is generally hardy in USDA hardiness zones 4 to 9. In colder regions, protect the plant with a layer of mulch to insulate the roots during winter.
With proper care and attention, Primula bulleyana will reward you with its vibrant orange flowers and lush foliage. Enjoy its beauty in borders, woodland gardens, or containers.