Lavandula angustifolia Blue River

English Lavender 'Blue River'

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Aromatic Mediterranean shrub with grey-green foliage and vibrant purple spikes; highly drought-tolerant and fragrant, ideal for pollinator gardens.
yard Kitchen garden plants wb_sunny Sun pets Pet Friendly
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Plant Details

Common Name English Lavender 'Blue River'
Family Lamiaceae
Genus Lavandula
Species Angustifolia
Variety Blue River
Origin Mediterranean / UK Cultivar
Blooming Summer flowering, fragrant purple spikes
Leaf Color Grey-green / Silver-grey
Sunlight Sun
Category Kitchen garden plants
Pet Friendly check Yes
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Care & Maintenance

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Soil

Well-drained sandy or gritty soil; alkaline to neutral pH; avoid heavy clay.

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Watering

Low water needs once established; allow soil to dry completely between waterings to prevent root rot.

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Sunlight & Care

Full sun (6+ hours daily); essential for oil production and flowering intensity.

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Fertilization

Minimal; apply compost in spring. Over-fertilizing reduces fragrance and vigor.

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Pruning

Prune lightly after flowering; hard prune every 3 years if leggy, but avoid cutting into old wood.

Pest Control Aphid Fungus Gnat Lacewing Whitefly

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 4 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 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
-0° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 60%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
10000 – 25000
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
10% – 40%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Lavandula angustifolia Blue River? Select a symptom to diagnose and fix the issue.

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