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Bloom-A-Thon® White


Photo Courtesy of Proven Winners

Photo Courtesy of Proven Winners

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  • Photo Courtesy of Proven Winners

Flower Color: White
Height: 2-3 Feet Spread: 2-3 Feet
Hardiness Zone: 6-9 What's My Hardiness Zone?
Common Name: “Rhododendron”

Bloom-A-Thon® White Azalea ‘RLH1-3P3’ PP21,512

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  • Repeat Bloomer
  • Evergreen Foliage
  • Part Sun to Dappled Shade

Availability: In stock

Product Name Price Qty
Azalea Bloom-A-Thon® White (Rhododendron) - PWCC - 8" Jumbo Pot - 1.0 gal/3.78 L

Regular Price: $37.99

Special Price $35.99

  • Buy 3 for $34.20 each
  • Buy 6 for $32.40 each
  • Buy 12 for $30.60 each
Azalea Bloom-A-Thon® White (Rhododendron) - PWCC - 1 QT Pot - 1.0 qt/946 ml

Regular Price: $20.99

Special Price $17.99

  • Buy 3 for $17.10 each
  • Buy 6 for $16.20 each
  • Buy 12 for $15.30 each


(Azalea) Bloom-A-Thon®  White, reblooming Azalea for season long color!  The new Bloom-A-Thon® series of Azalea provide a highly extended season of Azalea color. Watch for Bloom-A-Thon® to bloom in May, midsummer and watch for color to extend through the fall until the first frost.  Bloom-A-Thon® White is a crisp white bloom with heavily ruffled edges. The dark green, disease resistant evergreen foliage contrasts nicely with the bright blooms. This reblooming White Azalea is the shortest in the series, reaching only stands 2-3' tall and does best in a part shade to shade location. The long bloom time makes Bloom-A-Thon® White  Azalea  great for landscapes, foundation plantings, and perennial gardens and even is a great woodland garden choice. Good drainage is essential for this plant; water regularly, especially when newly planted. Little pruning is needed, but plants may be trimmed after flowering. Stop pruning by midsummer as this plant flowers on old wood. Apply a controlled release fertilizer for hollies and rhododendrons in early spring. Plants in southern climates will benefit from some shade. Plants in northern climates may need some winter protection. Deer resistant and Semi-evergreen. As a young plant it is best to prune or pinch your plant in order to build a full-bodied, well-branched plant. If the plant is leggy when you purchased it, shear the plant back hard by 1/3 to 1/2 its original size. Once it puts on an inch or two of growth, pinch the branch tips to remove just the growing tips, these tips control branching. Once growing tips are removed the buds below it will turn into stems. Once these new branches grow an inch or two, pinch the tips out again. You can repeat this throughout the first growing season as you are tending your garden. Although you will sacrifice blooms, this technique results in a well-branched, full-bodied plant that will have more flowers in subsequent years. During the second season in the ground, repeat the pinching practice as decribed above. Do not prune after mid-August, since the flowers are produced on old wood this will allow time for the flower buds to form prior to winter. During the third and subsequence seasons, prune or pinch as necessary after flowering and before buds set in mid-August. Do not be afraid to prune or shear your plant harder if you wish to maintain a shorter size.

Characteristics & Attributes

Plant Type
  • Shrub
Sun Exposure
  • Full Sun (+6 hrs.)
  • Part Shade (4-6 hrs.)
Soil Moisture Needs
  • Moderate
  • Moist
  • Evergreen
  • Reblooming Shrub
Season of Interest (Flowering)
  • Late Spring or Early Summer
  • Late Summer
  • Summer
Season of Interest (Foliage)
  • Fall
  • Spring
  • Summer
  • Winter
Design Use
  • Border
  • Combination Containers
  • Container
  • Massing
  • Specimen
Container Design
  • Thriller
Blooms On
  • This Year's Growth
Growth Habit
  • Mounding

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