Hydrangea macrophylla Glowing Alps

Glowing Alps Hydrangea

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A popular deciduous shrub known for large mophead flower clusters that change color based on soil acidity. Features broad green leaves and requires consistent moisture to thrive in partial shade conditions.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Glowing Alps Hydrangea
Family Hydrangeaceae
Genus Hydrangea
Species Macrophylla
Variety Glowing Alps
Origin Japan
Blooming Foliage and large mophead flowers in summer
Leaf Color Deep green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Rich, moist, well-draining soil; acidic for blue flowers, alkaline for pink

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Watering

Keep soil consistently moist during growing season; do not let dry out completely

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Sunlight & Care

Morning sun or dappled shade; avoid harsh afternoon light to prevent scorching leaves

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Fertilization

Apply balanced slow-release fertilizer in spring before blooming cycle begins

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Pruning

Prune immediately after flowering ends; remove dead wood in late winter

Pest Control Aphid Slug Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 4 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 9 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
41° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
800 – 15000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
20% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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