Photo by Melody

PlantFiles: Bigleaf Hydrangea, French Hydrangea, Mophead
Hydrangea macrophylla 'Alpengluhen'

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: macrophylla (mak-roh-FIL-uh) (Info)
Cultivar: Alpengluhen
Additional cultivar information: (aka Alpen Glow, Alpenglhen)

» View all varieties of Hydrangeas

3 vendors have this plant for sale.

6 members have or want this plant for trade.

36-48 in. (90-120 cm)

36-48 in. (90-120 cm)

USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Sun to Partial Shade

Parts of plant are poisonous if ingested

Bloom Color:
Magenta (Pink-Purple)

Bloom Time:
Mid Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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There are a total of 11 photos.
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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive pointgarden On Nov 11, 2011, pointgarden from Newport, RI wrote:

Alpengluhen and glowing embers are in fact the same plant. I work at a garden center where customers often ask for the purple hydrangea,we point to alpengluhen which is always pink in the containers we sell.when we explain to them it will turn purple in our acidic soil here in R.I.we have never had one returned.All macrophylla are ph sensitive although not all will change from true pink to blue or blue to pink.Keep in mind that it may take a few years for a hydrangea to find it's true color in your soil.If you want a purple plant treat it with a acidic fertilizer and or aluminum sulfate,remember less is more in this process.

Positive lmelling On Dec 1, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

According to the authors of "Encyclopedia of Hydrangeas" (2004 - Timber Press), 'Alphengluen' is NOT the same cultivar as 'Glowing Embers'. True Alphengluen are described as "red or dark pink, late in the season. It does not become blue on acid soils, but remains rosy red. A very reliable cultivar with a very bright color." It goes on to say that 'Deutschland' is very similar but has larger leaves. Bred by Brugger, Germany in 1950. The picture shows a plant which I would describe as hot pink in color - identical to the first picture in this database entry.

I purchased a hydrangea in 2001 from an online nursery, which was sold as Alphengluen / Glowing Embers (I have also seen them called the same at other nurseries). After studying the pictures and descriptions, I find that mine is definitely a 'Glowing Embers' not Alpengluen. Since nurseries are tending to lump these two together, please note that they ARE different cultivars and the color is somewhat different.


This plant has been said to grow in the following regions:

Mentone, Alabama
Clayton, California
Manhattan, Kansas
East Tawas, Michigan
Sparta, New Jersey
Newport, Rhode Island
North Augusta, South Carolina
Mc Kinney, Texas
Mount Pleasant, Texas
Cathcart, Washington
Renton, Washington

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