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Hydrangea macrophylla Magical Crimson
filter_vintage Hydrangeaceae Plants yard Outdoor plants

Hydrangea macrophylla Magical Crimson

Magical Crimson Hydrangea

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Magical Crimson is a reblooming mophead hydrangea with deep red flowers that shift to blue in acidic soil. Requires consistent moisture and partial shade.
yard Outdoor plants wb_sunny Shade / Half-shade pets Not pet-safe
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Plant Details

Common Name Magical Crimson Hydrangea
Family Hydrangeaceae
Genus Hydrangea
Species Macrophylla
Variety Magical Crimson
Origin East Asia (Japan, Korea)
Blooming Summer to Autumn, color varies with soil pH
Leaf Color Deep green
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Rich, moisture-retentive soil with high organic content and acidic pH

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Watering

Keep soil consistently moist but not waterlogged. High demand in summer.

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Sunlight & Care

Morning sun or dappled shade; protect from harsh afternoon heat

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Fertilization

Balanced fertilizer monthly during growing season. Aluminum sulfate for blue blooms

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Pruning

Remove spent flowers and dead wood after blooming or late winter

Pest Control Aphid Fungus Gnat Scale Insect 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 5 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 10 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
45° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1500 – 8000
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
water
Soil Moisture
25% – 65%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Hydrangea macrophylla Magical Crimson? Select a symptom to diagnose and fix the issue.

eco Yellow Leaves chevron_right
eco Brown Leaf Tips chevron_right
eco Drooping Leaves chevron_right
eco Sticky Leaves chevron_right
eco White Cottony Spots chevron_right
eco Sudden Leaf Drop chevron_right
eco Leggy Stems chevron_right

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