Family: Ericaceae

Common Name: White Lights Rhododendron


White Lights Rhododendron is an extremely floriferous member of the Northern Lights Azaleas.

Plant TypeShrubs Deciduous
Hardiness Zone5
Sunlightfull sun to partial sun
Moisturetolerates average moisture conditions, during dry spells extra water is beneficial
Soil & SitePrefers acid, organic rich soil moist soils. I give my plants a helping of soil sulfur twice a year to help keep the acidity level within the proper range. Mulching with pine needles helps to maintain soil acidity
Temperatureproven hardy to -35 degrees F
Flowersflower buds white with a pale pink cast, white flowers with a slight yellow blotch
Rootsshallow roots
Dimensions5 by 5 feet, plants are rather twiggy
MaintenanceI like to dig a large hole, not to deep and mix the soil with 50% peat moss or compost. Plant in a slight mound for good drainage. Add a cup or two of Ammonia sulfate (or an other acid producing fertilizer)add some regular fertilizer. Water in good and keep moist. Mulch will help to slow down the loss of water. I like to add acid fertilizer in the fall and spring. Also you can use a liquid acid fertilizer such as Mir-acid.
Cultivar OriginIntroduced by the University of Minnesota USA. It is a hybrid between Rhododendron prinophyllum and a white flowered Exbury hybrid.
Notes & ReferenceAzaleas and Rhododendrons for Minnesota by Michael Zins, Assistant Professor, University of Minnesota Landscape Arboretum
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