Landscape Plants of the Upper Midwest

Azalea (see Info)

Plant Information

  • Plant Type: Shrub: Medium
  • Scientific Name: Rhododendron (Azalea) species and hybrids Play audio of plant name
  • Family: Azalea
  • Related Cultivars:

    Rhododendron x 'Gibraltar'
    Rhododendron x 'Toucan'
    Rhododendron dauricum 'Madison Snow'
    Rhododendron mucronulatum 'Cornell Pink'
    Rhododendron prinophyllum
    Rhododendron schlippenbachii
    Rhododendron x 'Jane Abbott'
    Rhododendron x Northern Lights

  • Zone: Dependant on Cultivar
  • Plant Size: dependent on cultivar
  • Bloom Time: Spring
  • Habit: Upright Oval
  • Culture:

    Rhododendrons in bloom are among the most striking and beautiful of all plants. They are however, fastidious about their cultural requirements: 1

  • Notes:

    Deciduous shrubs with striking spring flowers that appear before the leaves. Hundreds of cultivars offer a wide range of flower colors. Because they do not require a protected location, azaleas are more versatile in the landscape than the evergreen Rhododendrons. Dead-heading (removing the spent flower heads shortly after blooming) is important to eliminate seed production that can reduced flowering.

  • Pruning:Pruning animation

    Renewal pruning is accomplished by removing the largest, oldest stems (generally 1/4 to 1/3 of the total stems) as close to the ground as possible. This will stimulate new shoots to develop below the cuts which will fill in the plant creating a more dense and pleasing habit.

    Renewal pruning should be done when the plant is dormant, late fall to early spring.

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Landscape Plants of the Upper Midwest

Bill Hoch, Associate Professor
Montana State University

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