Viola cornuta Four Seasons F1 Blue

Horned Violet

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A hardy flowering bedding plant featuring deep blue trumpet-shaped blooms with long spurs, renowned for continuous blooming from spring through autumn in cool climates.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Horned Violet
Family Violaceae
Genus Viola
Species Cornuta
Variety Four Seasons F1 Blue
Origin Southern Europe
Blooming Spring through Autumn, occasionally Winter in mild zones
Leaf Color Dark green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Rich, well-draining loam with high organic matter content, pH 6.0-7.0

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Watering

Keep soil consistently moist but not waterlogged; reduce watering in winter dormancy

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Sunlight & Care

Prefers full sun to partial shade; tolerates cooler temperatures better than heat

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Fertilization

Apply balanced liquid fertilizer every 2 weeks during active growth, March to September

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Pruning

Deadhead spent flowers regularly to encourage reblooming and prevent self-seeding

Pest Control Aphid Slug Snail Thrip

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 9 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° – 77°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% 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)
600 – 1800
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 80%
% volumetric
Water content in the growing medium
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Soil EC
600 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Viola cornuta Four Seasons F1 Blue? Select a symptom to diagnose and fix the issue.

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