Eryngium leavenworthii Purple Sheen

Leavenworth's Eryngo

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Native perennial with metallic blue-purple bracts and spiny silver-green foliage. Drought-tolerant ornamental suitable for rock gardens.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Leavenworth's Eryngo
Family Apiaceae
Genus Eryngium
Species Leavenworthii
Variety Purple Sheen
Origin Southeastern United States
Blooming Late summer, metallic blue bracts resembling flowers
Leaf Color Silver-green with spiny texture
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Gritty, sandy, well-draining soil. Low fertility preferred to prevent flopping.

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Watering

Drought tolerant once established. Water deeply but infrequently; avoid root rot.

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Sunlight & Care

Full sun required for optimal color and flowering intensity indoors requires high light placement

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Fertilization

Minimal feeding required. Apply slow-release fertilizer in early spring only.

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Pruning

Cut back dead foliage completely in late autumn or early spring before new growth.

Pest Control Aphid Leafhopper 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
23° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 60%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
15000 – 50000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 2000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 45%
% 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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