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White Azaleas Mollis HybridRhododendron x kosteranum

  • White Azaleas Mollis Hybrid - Rhododendron x kosteranum bushes
Our beautiful Mollis Hybrid Azaleas have been hybridized to be hardy even in more northern parts of the country. Lush, deciduous shrubs bear spectacular clusters of flowers to brighten your home each spring.

Hardiness Zones

The white azaleas mollis hybrid can be expected to grow in Hardiness Zones 5–8. View Map

Tree Type

Mature Size

White Mollis hybrid azaleas grow to a height of 4–6' and a spread of around 4' at maturity.

Growth Speed Slow Growth Rate

This shrub grows at a slow rate, with height increases of less than 12" per year.

Sun Preference

Full sun and partial shade are best for this shrub, meaning it prefers a minimum of 4 hours of direct, unfiltered sunlight each day.

Soil Preference

White Mollis hybrid azaleas grow in acidic, loamy, moist, rich, sandy, silty loam and well-drained soils.

Attributes

This shrub:
  • Provides beautiful fall color, with the vibrant green leaves turning multicolored as the season changes.
  • Grows in a rounded shape.
  • Produces large clusters of elegant white blossoms.

History/Lore

Mollis hybrid azaleas originated in Holland and Belgium in the 1870s