Verbena bonariensis

Purple-top vervain

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Tall, airy perennial herb featuring whorled violet flowers on slender stems. Attracts pollinators and provides vertical garden interest.
yard Outdoor plants wb_sunny Sun pets Pet Friendly
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 5-6 in Out of Stock $26.99 Buy
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Plant Details

Common Name Purple-top vervain
Family Verbenaceae
Genus Verbena
Species Bonariensis
Origin South America
Blooming Summer to Autumn, self-seeding readily
Leaf Color Grey-green / Glaucous
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained, fertile loamy soil; tolerates poor conditions once established

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Watering

Moderate watering during growth; drought tolerant when mature. Avoid waterlogging.

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Sunlight & Care

Full sun exposure required for best flowering; indoor placement requires South-facing window or grow lights

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Fertilization

Low nutrient demand; apply balanced liquid fertilizer monthly during active growing season (Spring/Summer)

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Pruning

Deadhead spent flowers to prolong blooming; cut back hard in late winter for new growth

Pest Control Aphid Slug Spider Mite Whitefly

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 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

thermostat
Temperature
23° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
25% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 45000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 50%
% 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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Common Problems

Something wrong with your Verbena bonariensis? Select a symptom to diagnose and fix the issue.

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