Campanula portenschlagiana

Dalmatian bellflower

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Trailing perennial with violet-blue bell-shaped flowers, ideal for rock gardens and hanging baskets in cool climates. Needs bright light to bloom well.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Dalmatian bellflower
Family Campanulaceae
Genus Campanula
Species Portenschlagiana
Origin Balkans
Blooming Spring to early summer with violet-blue bells
Leaf Color Dark green, grey-green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

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Soil

Well-draining loam mixed with grit or perlite for aeration

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Watering

Keep soil moderately moist during active growth. Allow topsoil to dry slightly between waterings. Reduce in winter dormancy.

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Sunlight & Care

Bright light to full sun. Requires high light intensity for flowering, avoid intense midday heat indoors.

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Fertilization

Apply diluted liquid fertilizer monthly during spring and summer growing season only.

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Pruning

Deadhead spent flowers to encourage rebloom, cut back hard after flowering if stems become leggy.

Pest Control Aphid Mealybug 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 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
50° – 79°
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)
2500 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1500 – 2800
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 60%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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