Hydrangea macrophylla Magical Bluebells

Magical Bluebells Hydrangea

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Reblooming mophead hydrangea with large spherical flower heads shifting from green to blue based on soil pH. Deciduous shrub requiring high humidity.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Magical Bluebells Hydrangea
Family Hydrangeaceae
Genus Hydrangea
Species Macrophylla
Variety Magical Bluebells
Origin Cultivar (Europe/USA)
Blooming Spring through Autumn (Reblooming)
Leaf Color Deep green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Rich, well-draining peat-based mix with acidic pH (4.5-6.0) to support blue pigment formation.

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Watering

Keep soil consistently moist but never waterlogged. High transpiration rate requires frequent monitoring during bloom cycle.

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Sunlight & Care

Bright indirect light; tolerate morning sun but protect from harsh afternoon rays to prevent leaf scorching.

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Fertilization

Balanced NPK fertilizer every 4 weeks during active growth. Use aluminum sulfate if blue color is desired and soil pH allows.

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Pruning

Deadhead spent blooms; prune lightly after flowering to maintain shape. Avoid heavy pruning on old wood as this removes next year's buds.

Pest Control Aphid Fungus Gnat Spider Mite Thrip

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 1 month
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
54° – 79°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
55% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 8000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
10 – 25
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
40% – 65%
% 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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