Red Salad Onion

Red Salad Onion

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Red salad onions (Allium cepa) are young bulbs harvested early for mild flavor. They feature cylindrical green stalks and small round red bulbs, ideal for fresh salads or quick harvest gardening in pots.
yard Kitchen garden plants wb_sunny Half-shade pets Not pet-safe
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 2-3 in Out of Stock $18.00 Buy
info

Plant Details

Common Name Red Salad Onion
Family Amaryllidaceae
Genus Allium
Species Cepa
Variety Aggregatum Group
Origin Central Asia
Blooming Produces small white star-shaped flowers on umbels in summer if allowed to bolt
Leaf Color Green with red bulb base
Sunlight Half-shade
Category Kitchen garden plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining loamy soil rich in organic matter; pH 6.0 to 7.5 preferred

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Watering

Keep soil consistently moist but not waterlogged; reduce watering once bulbs start maturing to prevent rot

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Sunlight & Care

Requires full sun for optimal bulb development and flavor intensity; tolerate partial shade during peak heat

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Fertilization

Apply balanced liquid fertilizer every 2 weeks during active growth phase in spring/summer

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Pruning

Harvest entire plant when desired size reached; remove flower stalks if bulb production is the goal

Pest Control Aphid Onion Fly 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 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
agriculture Harvesting 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
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1200 – 18000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2500 – 3600
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 65%
% 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

Something wrong with your Red Salad Onion? Select a symptom to diagnose and fix the issue.

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