Bloom-A-Thon® White Azalea
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Bloom-A-Thon® White Azalea

Bloom-A-Thon® White Azalea

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Rhododendron 'RLH1-3P3' PP#21,512

Endless bloom in the shade? When faced with a semi-shady area to plant and you want colorful bloom, a first thought may be azalea. A tried-and-true staple, the azalea provides great color but usually only for a short time. To remedy this, Proven Winners set out to create an azalea that exhibits an extended bloom time, along with greater cold and sun tolerance. They hit the mark in 2012 with the introduction of the Bloom-A-Thon Azalea. As the name suggests, this azalea offers a marathon of color, blooming first in spring and then again in early fall through frost. It displays some sun tolerance and has shown cold tolerance to zone 6, making it hardier than the Encore. In addition to the extended bloom time, Bloom-A-Thon has good disease resistance and saturated flower color on large blooms.

Hardiness Map
Mature Height: 3'
Mature Width: 3'
Flower Season: Spring and Fall
Sun: Morning sun, afternoon shade
Hardiness Zone: 6 to 9
This plant is suitable for the low temperates below:
Temp (F)
Temp (C)
-10 to 0
-23.3 to -17.8
0 to 10
-17.8 to -12.2
10 to 20
-12.2 to -6.7
20 to 30
-6.7 to -1.1