Onion Fire King F1

Fire King Onion

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F1 hybrid red onion variety producing large, deep red bulbs with a balanced sweet-pungent flavor profile and excellent storage capabilities.
yard Kitchen garden plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Fire King Onion
Family Amaryllidaceae
Genus Allium
Species Cepa
Variety Fire King F1
Origin Cultivated Hybrid
Blooming Grown for bulbs, bolting occurs if not harvested timely
Leaf Color Dark green, cylindrical leaves
Sunlight Sun
Category Kitchen garden plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining loamy soil, pH 6.0 to 7.0, rich in organic matter

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Watering

Consistent moisture during bulb formation phase; reduce watering two weeks before harvest to prevent rot and improve skin quality

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Sunlight & Care

Requires full sun exposure (minimum 6 hours daily) or strong grow lights for indoor cultivation

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Fertilization

Balanced N-P-K at planting; shift to higher potassium fertilizers as bulbs mature

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Pruning

Remove any flower stalks (bolts) immediately if bulb production is the goal

Pest Control Aphid Leaf Miner Onion 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

agriculture Harvesting Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 11 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
50° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
45% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 45000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 60%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

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