- A low-growing, evergreen groundcover perennial. It reaches a height of 15 cm and a width of about 50 cm.
- Glossy, evergreen, leathery leaves. They maintain their attractive appearance year-round, even in winter.
- Double, dark blue flowers appear in May/June.
- Planted in gardens primarily for its ornamental value and low site requirements. Easy to grow. Grows quickly. Prefers shady or semi-shady locations. Blooms less abundantly when planted in deep shade. No special care is required. Grows best in fertile, well-drained, fairly moist, and acidic soil.
- Tolerates periodic droughts.
- Fully frost-hardy.
