Eryngium x tripartitum Blue Glitter

Sea Holly 'Blue Glitter'

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Compact perennial sea holly with striking metallic blue-grey spiny bracts and stems, highly drought tolerant.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Sea Holly 'Blue Glitter'
Family Apiaceae
Genus Eryngium
Species Tripartitum
Variety Blue Glitter
Origin Cultivar (Europe/Mediterranean)
Blooming Summer to early autumn, ornamental bracts.
Leaf Color Grey-green, glaucous
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained, gritty soil or sandy loam. Poor drainage causes root rot.

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Watering

Drought tolerant once established. Water moderately during establishment, dry between waterings.

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Sunlight & Care

Full sun exposure is critical for color intensity and compact growth habit.

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Fertilization

Low nutrient needs. Avoid excess nitrogen to prevent legginess or flop.

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Pruning

Cut back dead foliage in late winter/early spring before new growth.

Pest Control Aphid Leaf Miner 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
14° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
20000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
180 – 450
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 – 800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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