Calamagrostis x acutiflora Karl Foerster

Karl Foerster Feather Reed Grass

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Upright ornamental grass with a vertical habit and feathery plumes in summer. Excellent for borders, mass plantings, or container gardens in temperate climates.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 5-6 in Out of Stock $29.99 Buy
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Plant Details

Common Name Karl Foerster Feather Reed Grass
Family Poaceae
Genus Calamagrostis
Species X Acutiflora
Variety Karl Foerster
Origin Europe (Hybrid)
Blooming Ornamental grass; seed heads persist into winter
Leaf Color Green, turning golden-brown in autumn
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Adaptable to most well-drained soils including clay and sand; slightly acidic to neutral pH

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Watering

Moderate water during establishment, highly drought tolerant once established. Cut back in late winter.

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Sunlight & Care

Full sun preferred for upright growth; tolerates partial shade but may flop in deep shade

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Fertilization

Apply balanced granular fertilizer in early spring before new growth emerges

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Pruning

Cut to ground level in late autumn or early spring for a tidy appearance

Pest Control Aphid Leafhopper

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
-13° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 40000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
100 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
10% – 70%
% 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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