Iris lactea chinensis

Chinese Iris / Milk Iris

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A bearded iris native to East Asia featuring blue-violet flowers with white markings and a white beard. Grows from rhizomes, requiring cool winter dormancy for optimal blooming cycles.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Chinese Iris / Milk Iris
Family Iridaceae
Genus Iris
Species Lactea
Variety chinensis
Origin East Asia
Blooming Spring to early summer, depending on climate and variety
Leaf Color Blue-green / Grey-green glaucous leaves
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining sandy loam or gritty mix; avoid heavy clay to prevent rhizome rot.

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Watering

Moderate during active growth, keep dry during dormancy (winter) to prevent bulb rot.

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Sunlight & Care

Requires full sun for best flowering; tolerate partial shade in hot climates.

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Fertilization

Apply balanced fertilizer at planting and after flowering; avoid high nitrogen.

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Pruning

Cut back foliage after yellowing in late summer/autumn; remove spent flowers.

Pest Control Aphid Iris Borer Spider Mite 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
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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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 – 50000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2 – 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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