Hydrangea involucrata

Lacecap Hydrangea

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Deciduous shrub with lacecap flowers; leaves turn crimson in autumn. Prefers moist acidic soil and partial shade. Native to Japan and China.
yard Outdoor plants wb_sunny Shade / Half-shade pets Not pet-safe
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Plant Details

Common Name Lacecap Hydrangea
Family Hydrangeaceae
Genus Hydrangea
Species Involucrata
Origin Japan, China
Blooming Late spring to summer; sterile florets surround fertile center.
Leaf Color Green turning red/purple in autumn
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Moist, well-drained acidic peat or compost-rich soil; pH 5.0-6.0.

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Watering

High moisture requirement; keep soil consistently moist but not waterlogged. Reduce in dormancy.

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Sunlight & Care

Morning sun and afternoon shade; avoid harsh midday exposure to prevent leaf scorch.

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Fertilization

Apply balanced slow-release fertilizer in spring before blooming. Avoid high nitrogen late season.

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Pruning

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

Pest Control Aphid Scale Insect Slug 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
14° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
600 – 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
water
Soil Moisture
30% – 70%
% volumetric
Water content in the growing medium
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Soil EC
400 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

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