It's an upright grower which reaches up to 6 feet in height. The Marjatta hybrid rhododendrons perform best in sites protected from winter sun and wind. The Northern Lights series of azaleas is a group of hybrid azaleas developed and released by the University of Minnesota. Northern Lights' was the initial introduction. Flowers range from light to dark pink.
Flower colors are light pink and deep rose pink, respectively.
Other varieties in this series are 'White Lights,' 'Orchid Lights,' 'Spicy Lights,' and 'Golden Lights' with white, orchid, soft orange, and gold flowers. Northern Hi-lights' has creamy white flowers. Mandarin Lights' and 'Lemon Lights' have mandarin orange and light yellow flowers, respectively. When planting rhododendrons and azaleas, proper site selection is extremely important. Azaleas prefer partial to full sun.