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Spiraea billardii Triumphans
filter_vintage Rosaceae Plants yard Outdoor plants pets Pet Friendly Plants

Spiraea billardii Triumphans

Billard's Spirea

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Deciduous shrub with arching branches and lance-shaped leaves. Produces dense rose-pink flower spikes in late summer to early autumn. Hardy garden plant.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Billard's Spirea
Family Rosaceae
Genus Spiraea
Species Billardii
Variety Triumphans
Origin Hybrid / Asia
Blooming Late summer to early autumn, rose-pink flower spikes.
Leaf Color Green turning yellow/orange in fall
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained loamy soil; tolerates various pH levels.

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Watering

Regular watering during establishment and dry spells; drought tolerant once established.

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Sunlight & Care

Full sun to partial shade; requires ample light for flowering.

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Fertilization

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

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Pruning

Prune after flowering to shape and remove dead wood.

Pest Control Aphid 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 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
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Growing Parameters

thermostat
Temperature
14° – 90°
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)
2500 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
100 – 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 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

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

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