Campanula glomerata

Clustered Bellflower

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Hardy herbaceous perennial with dense clusters of violet-blue bell-shaped flowers on upright stems. Ideal for rockeries and borders.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Merchant Pot Size Availability Price
Amazon.com 2-3 in In Stock $31.92 Buy
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Plant Details

Common Name Clustered Bellflower
Family Campanulaceae
Genus Campanula
Species Glomerata
Origin Europe, Asia, North Africa
Blooming Summer to early autumn
Leaf Color Grey-green to dark green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-drained, fertile soil; tolerates clay if drainage is adequate.

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Watering

Moderate watering; allow topsoil to dry between waterings during establishment. Drought tolerant once mature.

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Sunlight & Care

Full sun to partial shade for optimal flowering and compact growth.

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Fertilization

Apply balanced slow-release fertilizer in spring before blooming cycle begins.

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Pruning

Deadhead spent flowers to encourage rebloom; cut back hard after flowering for tidiness.

Pest Control Aphid Leaf Miner Slug Snail

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 9 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
10° – 95°
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)
2000 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 60%
% volumetric
Water content in the growing medium
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Soil EC
500 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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