Helictotrichon schellianum

Blue Oat Grass

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Ornamental grass featuring arching glaucous blue-grey leaves and golden flower spikes in summer. Drought-tolerant perennial ideal for dry soils or large containers.
yard Outdoor plants wb_sunny Sun pets Pet Friendly
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Plant Details

Common Name Blue Oat Grass
Family Poaceae
Genus Helictotrichon
Species Schellianum
Origin Mediterranean
Blooming Ornamental grass grown for foliage and seed heads
Leaf Color Blue-grey / Glaucous green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained, sandy or gritty soil. Avoid heavy clay to prevent root rot.

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Watering

Drought tolerant once established. Water regularly during first year; reduce significantly in winter dormancy.

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Sunlight & Care

Full sun exposure is essential for maintaining blue leaf color and structural integrity.

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Fertilization

Low nutrient needs. Apply compost or slow-release fertilizer in early spring only.

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Pruning

Cut back old foliage hard to ground level in late winter before new growth emerges.

Pest Control Aphid Slug Spider Mite

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
5° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
25% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1500 – 40000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
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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