Carex dolichostachya

Long-stalked sedge

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A hardy perennial sedge forming dense clumps of blue-green strap-like leaves with long cylindrical spikes. Native to East Asia, ideal for bog gardens or water edges.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Long-stalked sedge
Family Cyperaceae
Genus Carex
Species Dolichostachya
Origin China
Blooming Spring to early summer, inconspicuous flowers on spikes
Leaf Color Blue-green / Glaucous
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Moist to wet soil, peat moss mixed with sand or aquatic soil for water gardens.

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Watering

High water demand. Keep soil constantly moist or submerged in shallow water during growing season.

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Sunlight & Care

Prefers full sun but tolerates partial shade; requires consistent moisture.

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Fertilization

Apply slow-release fertilizer in spring if grown in bog conditions, minimal otherwise.

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Pruning

Cut back dead foliage in late winter to encourage fresh growth.

Pest Control Aphid Leaf Miner Slug Snail

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 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
thermostat

Growing Parameters

thermostat
Temperature
14° – 90°
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 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1800 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
60% – 95%
% 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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