Chasmanthium latifolium

River Oats, Indian Woodoats

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Native ornamental grass with arching green blades and distinctive flat seed heads that turn copper-red in autumn, providing winter interest.
yard Outdoor plants wb_sunny Shade / Half-shade 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 In Stock $29.99 Buy
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Plant Details

Common Name River Oats, Indian Woodoats
Family Poaceae
Genus Chasmanthium
Species Latifolium
Origin Eastern North America
Blooming Summer seed heads persisting into winter
Leaf Color Green turning yellow/brown in autumn
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Rich, moist, well-drained loamy soil; tolerates clay and wet areas.

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Watering

Regular watering during establishment; drought tolerant once mature.

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Sunlight & Care

Full sun to partial shade. Best foliage color in full light.

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Fertilization

Apply compost annually in spring; avoid heavy nitrogen fertilizers.

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Pruning

Cut back to ground level in late winter or early spring before new growth.

Pest Control Aphid Leafhopper 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 4 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
-4° – 104°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 100000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
50 – 2000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 70%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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