Utricularia vulgaris

Common Bladderwort

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Aquatic carnivorous plant featuring specialized bladder traps that suck in small aquatic organisms. Produces floating yellow flowers on spikes above the water surface during summer months.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Common Bladderwort
Family Lentibulariaceae
Genus Utricularia
Species Vulgaris
Origin Europe, North America
Blooming Yellow flowers on spikes above water in summer
Leaf Color Bright green to translucent
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Submerged in water or boggy peat mix; requires low nutrient substrate

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Watering

Must remain fully submerged in rainwater, dechlorinated tap water, or pond water

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Sunlight & Care

Full sun to partial shade required for flowering and trap function

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Fertilization

Do not fertilize soil; plant obtains nitrogen via trapped organisms. Add liquid fertilizer only if growth is poor

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Pruning

Remove spent flowers and decaying leaves to maintain water clarity

Pest Control Aphid Fungus Gnat Mosquito Larva

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 4 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
41° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
60% – 95%
% 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)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
80% – 100%
% volumetric
Water content in the growing medium
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Soil EC
50 – 200
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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