Linum usitatissimum

Flax

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Hardy annual herbaceous plant widely cultivated for fiber and oil seeds, featuring delicate star-shaped blue flowers and slender grey-green foliage.
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Plant Details

Common Name Flax
Family Linaceae
Genus Linum
Species Usitatissimum
Origin Mediterranean / Western Asia
Blooming Late spring to summer, bright blue star-shaped blooms
Leaf Color Grey-green / Blue-green
Sunlight Sun
Category Kitchen garden plants
Pet Friendly check Yes
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Care & Maintenance

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Soil

Well-draining loamy soil with good organic content, pH neutral to slightly alkaline

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Watering

Keep soil consistently moist during germination and growth; avoid waterlogging which causes root rot

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Sunlight & Care

Requires full sun exposure for optimal growth and flowering performance

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Fertilization

Apply balanced liquid fertilizer monthly during vegetative stage; reduce after blooming begins

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Pruning

Deadhead spent flowers to encourage repeat blooming or allow seed heads for harvest

Pest Control Aphid Leafhopper 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 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 7 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
50° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
10000 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 4500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 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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