Hydrangea aspera

Rough-leaf Hydrangea

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Hydrangea aspera is a robust deciduous shrub featuring velvety, textured foliage and large white flower clusters. It thrives in partial shade with consistent moisture.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Rough-leaf Hydrangea
Family Hydrangeaceae
Genus Hydrangea
Species Aspera
Origin China
Blooming Late spring to early summer, sometimes late Summer
Leaf Color Dark green with white hairs beneath
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Rich loamy soil with high organic matter. Moist but well-draining. pH 5.5-6.5.

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Watering

Keep soil consistently moist. Does not tolerate drought; water frequently during active growth.

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Sunlight & Care

Partial shade preferred in hot climates, morning sun in cooler zones. Avoid scorching afternoon light.

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Fertilization

Balanced slow-release fertilizer in spring during active growth phase before blooming.

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Pruning

Prune after flowering to remove spent blooms and shape; avoid heavy pruning as flowers form on old wood.

Pest Control Aphid Caterpillar Snail 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 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 8 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
50% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 12000
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
40% – 75%
% 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

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