Allium fistulosum Evergreen Bunching

Evergreen Bunching Onion

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Robust perennial herb cultivated primarily for its edible hollow green stalks. Unlike onions, it does not form a bulb but grows in dense clumps. Excellent for culinary use and pot cultivation.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Evergreen Bunching Onion
Family Amaryllidaceae
Genus Allium
Species Fistulosum
Variety Evergreen Bunching
Origin China / Japan
Blooming White star-shaped flowers on spherical umbels in summer, rarely set seed indoors
Leaf Color Bright blue-green to dark green
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining loamy soil rich in organic matter, pH 6.0-7.5

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Watering

Keep soil consistently moist but not waterlogged to prevent bulb rot; allow top inch to dry between waterings

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Sunlight & Care

Requires full sun for optimal growth; indoors place on south-facing window with supplemental light if needed

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Fertilization

Feed monthly during growing season with balanced liquid fertilizer diluted to half strength

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Pruning

Harvest outer stalks as needed by cutting at base; remove yellowing leaves promptly

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

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
agriculture Harvesting Period 7 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)
2000 – 15000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
5 – 30
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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