Blue drumstick primula forms rounded heads of purple-blue flowers above a rosette of wrinkled green leaves. This compact perennial brings spring colour to damp borders and woodland-style planting.

Why we like it

• Distinctive rounded flower heads.
• Colour from spring into early summer.
• Useful in moist, partly shaded borders.

What to know

• Choose partial shade.
• Plant in moisture-retentive soil rich in organic matter.
• Keep roots moist, especially in dry weather.
• Remove faded flower stems after flowering.
• Divide established clumps when crowded.

Flower colour

Purple-blue.

Flowering months

MarchJune, depending on conditions.

Height and spread

Flowering height: about 30 cm; allow approximately 30 cm between plants.