Pontederia cordata

Pickerelweed

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Pontederia cordata is a native North American emergent aquatic perennial featuring heart-shaped leaves and distinct purple flower spikes, thriving in shallow water or saturated soil.
yard Outdoor plants wb_sunny Shade / Half-shade pets Pet Friendly
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Plant Details

Common Name Pickerelweed
Family Pontederiaceae
Genus Pontederia
Species Cordata
Origin North America
Blooming Summer, purple spikes above foliage
Leaf Color Green to Blue-green
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Heavy clay or loam submerged in 0-6 inches of water; saturated soil conditions required.

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Watering

Aquatic plant; keep roots constantly submerged. Do not allow soil to dry out completely.

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Sunlight & Care

Full sun required for optimal flowering, tolerates partial shade but blooms less.

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Fertilization

Apply slow-release aquatic fertilizer tablets once in early spring during active growth.

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Pruning

Trim dead foliage in late fall before winter dormancy; remove spent flower heads to control spread.

Pest Control Aphid Leafhopper 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 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
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Growing Parameters

thermostat
Temperature
5° – 100°
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)
3000 – 50000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
90% – 100%
% volumetric
Water content in the growing medium
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Soil EC
300 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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