Photo of Mountain Hydrangea (Hydrangea serrata 'Blue Billow') uploaded by Joy

Other Photos
Location: Southern Maine
Date: September 29, 2021
Flowers are now plum and leaves are beginning to show fall color,
Location: Howick Hall gardens, Northumberland, England UK 
Date: 2023-10-09
Hydrangea serrata 'Blue Billow'
Location: Southern Maine
Date: 2018-07-27
Location: Southern Maine
Date: 2017-09-19
The blooms are plum to purple to berry shades in the autumn.
Location: Southern Maine
Date: 2018-07-27
Has sky blue to true blue flowers in the summer.
Location: Lucketts, Loudoun County, Virginia
Date: 2018-06-18
Location: Southern Maine
Date: 2019-10-22
The purple and amethyst fall color of Blue Billow is wonderful!

Date: 2011-07-06
Photo Courtesy of Hydrangeas Plus Used with Permission
  • Uploaded by vic
Location: Southern Maine
Date: 2017-09-26
Fall brings shades of burgundy and purple to Blue Billow leaves a

Photo courtesy of Joy Creek Nursery
  • Uploaded by Joy
Location: My Northeastern Indiana Gardens - Zone 5
Date: Sep 28, 2011 1:19 PM
Grown here in alkaline soil. Rosy blooms instead of blue.
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2011-09-28
Bloom color is dependent on low soil PH. Here, it's grown in alka

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