Stephanandra incisa

Cutleaf spirea, Lace bush

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Deciduous shrub native to East Asia, known for deeply cut, serrated leaves and arching branches with small white flowers in late spring. Excellent landscape plant.
yard Outdoor plants wb_sunny Shade / Half-shade pets Pet Friendly
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Plant Details

Common Name Cutleaf spirea, Lace bush
Family Rosaceae
Genus Stephanandra
Species Incisa
Origin Japan / China
Blooming Small white flowers in late spring/early summer
Leaf Color Green, turning yellow/orange/red in autumn
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained loamy soil, tolerates various pH levels including clay and sand

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Watering

Moderate watering required; allow topsoil to dry between waterings. Drought tolerant once established.

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Sunlight & Care

Prefers full sun for best foliage color and flowering, tolerates partial shade in hotter climates

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Fertilization

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

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Pruning

Prune after flowering to maintain shape and remove dead or crossing branches

Pest Control Aphid Leafhopper 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 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 7 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
5° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
30% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 40000
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
water
Soil Moisture
20% – 65%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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