Spiraea japonica

Japanese Spiraea

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Deciduous ornamental shrub featuring dense clusters of pink or white flowers and lanceolate foliage. Popular for borders and landscapes.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com - In Stock $126.00 Buy
Merchant Pot Size Availability Price
Amazon.com 11-12 in Out of Stock $54.99 Buy
Amazon.com 11-12 in In Stock $60.48 Buy
Amazon.com 11-12 in In Stock $63.03 Buy
info

Plant Details

Common Name Japanese Spiraea
Family Rosaceae
Genus Spiraea
Species Japonica
Origin Japan, China
Blooming Clusters of pink or white flowers in late spring to summer
Leaf Color Green turning yellow/orange in autumn
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained, fertile loam soil with good organic matter content

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Watering

Regular watering during establishment; drought tolerant once mature

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Sunlight & Care

Full sun preferred for abundant flowering, tolerates partial shade

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Fertilization

Apply balanced slow-release fertilizer in early spring before growth begins

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Pruning

Prune after flowering to maintain shape and remove dead wood

Pest Control Aphid Leaf Miner Rose 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 3 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
-0° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
25% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 50000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 4500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 65%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Spiraea japonica? Select a symptom to diagnose and fix the issue.

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