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Hibiscus coccineus
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Hibiscus coccineus

Scarlet Rose Mallow

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Native to southeastern US wetlands, this perennial features vibrant red flowers and lobed leaves. Thrives in boggy conditions or submerged soil with high sunlight exposure during warm seasons.
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Plant Details

Common Name Scarlet Rose Mallow
Family Malvaceae
Genus Hibiscus
Species Coccineus
Origin United States (Southeastern)
Blooming Large funnel-shaped blooms in summer, sometimes autumn
Leaf Color Medium green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Rich, moist soil or shallow water; high organic matter content required for boggy conditions

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Watering

Keep constantly wet; tolerates standing water; drought tolerance is very low

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Sunlight & Care

Requires full sun exposure for maximum flowering; can tolerate partial shade in extreme heat

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Fertilization

Apply balanced liquid fertilizer every 2 weeks during active growing season (April-September)

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Pruning

Cut back to ground level in late winter before new growth emerges

Pest Control Aphid Japanese Beetle Leafhopper 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 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

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Temperature
14° – 97°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
5000 – 25000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1800 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
60% – 95%
% 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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Common Problems

Something wrong with your Hibiscus coccineus? Select a symptom to diagnose and fix the issue.

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