Echium plantagineum

Viper's Bugloss

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Vibrant Mediterranean biennial with dense spikes of blue-violet flowers on hairy grey-green leaves. Tolerates poor soil and drought once established, thriving in full sun.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
info

Plant Details

Common Name Viper's Bugloss
Family Boraginaceae
Genus Echium
Species Plantagineum
Origin Southern Europe
Blooming Biennial flowering spikes in summer months
Leaf Color Grey-green with hairs
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained, sandy or rocky soil. Tolerates poor fertility.

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Watering

Moderate watering during establishment; drought tolerant once mature. Avoid waterlogging.

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Sunlight & Care

Full sun required for optimal growth and flowering intensity.

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Fertilization

Low nutrient needs; apply balanced fertilizer sparingly in early spring if needed.

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Pruning

Deadhead spent flowers to prevent excessive self-seeding or encourage longevity.

Pest Control Aphid Slug Snail 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 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
41° – 100°
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)
10000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 5000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
15% – 65%
% 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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