The beautiful and fragrant pink blooms of ‘Northern Lights’ azalea started a plant revolution when it was first released in the late 1970s. A seedling strain from a cross between R. x kosteranum and R. prinophyllum, ‘Northern Lights’ is reliably hardy with flower buds surviving -40°F.
- Species: Rhododendron ‘Northern Lights’
- Introduction: 1978
- Blooms: Late May
- Flower Color: Light Pink to Deep Pink
- Flower Form: Single Blooms
- Height: 4-7 feet
- Spread: 5-6 feet
- Zones: 4-7
Minnesota Nursery Research Corporation 