Linaria vulgaris

Common Toadflax

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Perennial herbaceous plant native to Eurasia, known for yellow snapdragon-like blooms and grey-green leaves, often found in disturbed soils or gardens.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Common Toadflax
Family Plantaginaceae
Genus Linaria
Species Vulgaris
Origin Europe / North Africa / Western Asia
Blooming Late spring to autumn, yellow and orange flowers resembling snapdragons
Leaf Color Grey-green / Glaucous green
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Well-draining, sandy or loamy soil. Tolerates poor and alkaline soils.

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Watering

Drought tolerant once established. Water regularly during establishment, reduce significantly in winter dormancy.

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Sunlight & Care

Full sun required for optimal flowering; tolerates partial shade but blooms less profusely.

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Fertilization

Low nutrient needs; avoid over-fertilizing to prevent leggy growth and reduced flower quality.

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Pruning

Cut back spent flowers to encourage rebloom; cut to ground after flowering for tidy appearance.

Pest Control Aphid Leaf Miner

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 5 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 9 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

thermostat
Temperature
14° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
5000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
500 – 2000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
20% – 60%
% 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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Common Problems

Something wrong with your Linaria vulgaris? Select a symptom to diagnose and fix the issue.

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