Juncus Hedgehog Grass

Hedgehog Rush

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Ornamental rush characterized by dense, cylindrical green stems and a spiky appearance, ideal for marginal planting in water gardens or large indoor containers requiring high moisture levels.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Hedgehog Rush
Family Juncaceae
Genus Juncus
Species Effusus
Variety Hedgehog Grass
Origin Europe, Asia, North America
Blooming Foliage plant; small inconspicuous flowers in late summer
Leaf Color Bright green to grey-green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Moisture-loving, peat-based soil or hydroponic media with standing water retention

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Watering

Keep soil consistently wet to submerged; reduce watering only during winter dormancy in cold climates

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Sunlight & Care

Full sun exposure preferred for dense growth; tolerates partial shade but may elongate

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Fertilization

Low nutrient needs, apply slow-release aquatic fertilizer monthly during growing season (Apr-Sept)

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Pruning

Cut back dead foliage in late winter before new growth emerges

Pest Control Aphid Fungus Gnat 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
thermostat

Growing Parameters

thermostat
Temperature
23° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
5000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
60% – 100%
% volumetric
Water content in the growing medium
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Soil EC
400 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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