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AZALEAS

Azaleas are some of the most popular specimen shrubs in the home landscape today. They are traditionally used as foundation plantings or along shrub borders.

  The bright spring colors of azaleas always draw attention to a home landscape in spring. Once azaleas are established they are very hardy plants, but care should be given to choosing the best planting location, soil type and watering frequency, in order to get them off to a good start. The most common insect pest appears to be lacebug, but these pests can be easily controlled with the proper timing of control applications.

How to grow an azalea

pink azalea


Planting Location

Eastern or northern exposures are usually best for azaleas, as opposed to the harsher wind and sun conditions found in western and southern exposures. Winter winds can easily desiccate evergreen azaleas, so make sure they have adequate soil moisture going into winter. Some homeowners construct "screens," using landscape fabric or burlap nailed to wooden stakes, to protect their azaleas from the harsh effects of winter wind.

Soil

While azaleas require regular watering to become properly established, you shouldn't plant azaleas in poorly drained, wet areas in heavy clay soils. Enriching most garden soils with peat moss will help provide better growing conditions for your azalea. Mounding your planting area with a good topsoil-peat moss mix will often provide a solution to planting in problem areas.

Watering

Thorough weekly watering of azaleas in Northeastern US landscapes during dry spells will greatly enhance your chances of success. We have traditionally seen azaleas establish faster, and grow better, in regularly irrigated landscapes.

Culture

Fertilization - Soils that aren't acidic enough may create problems with chlorosis -- azalea leaves will be pale colored with dark green veins. Fertilizing your chlorotic plants according to label instructions with Miracid may help. 
Pests - The most common insect pest on azaleas in Pennsylvania is Lace Bug.
Trimming - Trim plants within a few weeks after they are finished blooming, otherwise you will remove next year's flower buds.
Deer damage - Cover your azaleas with deer netting over the winter months to prevent browsing by whitetail deer.
   

 


Photos of Evergreen Azaleas

Blaauw's Pink Azalea

Mid-season bloom. Kurume azalea.

Moderate growth to 4 ft tall x 5 ft wide.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Blaauw's Pink Azalea

  


    

Coral Bells Azalea

Early blooming. Kurume azalea.

Moderate growth to 4 ft tall x 5 ft wide.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Coral Bells Azalea

  


    

Delaware Valley Azalea

Early blooming. Mucronatum azalea.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Delaware Valley Azalea

  


    

Herbert Azalea

Late blooming. Gable azalea.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Herbert Azalea

  


    

Hershey Red Azalea

Low spreading evergreen azalea with rose red flowers. Kurume azalea. Blooms mid-season.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Hershey Red Azaleas

  


    

Hino Crimson Azalea

Mid-season bloom. Kurume azalea.

Moderate growth to 4 ft tall x 5 ft wide.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Hino Crimson Azalea

  


    

Johanna Azalea

Mid to late season bloom. Kaempferi azalea. Semi-evergreen.

Moderate growth to 9 ft tall x 5 ft wide.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Johanna Azalea

  


    

Rosebud Azalea

This Gable hybrid has double pink flowers resembling rose buds. Blooms mid-season with slow growth to 3 ft x 3 ft.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Rosebud Azaleas

  


    

Stewartstonian Azalea

Mid-season bloom. Gable azalea.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Stewartstonian Azalea

  


    

Tradition Azalea

Mid-season bloom. Kurume azalea.

Moderate growth to 4 ft tall x 5 ft wide.

Best grown in partial shade with well drained, moist acidic soil high in organic matter.

Tradition Azalea

  


    

MORE

Azalea & Rhododendron similarities

Flowering shrub photos

Pruning Rhododendrons

When to prune shrubs

 

  

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