Callistemon viminalis

Willow Bottlebrush

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A fast-growing evergreen shrub native to Australia featuring weeping willow-like foliage and vibrant red bottlebrush flowers. Thrives in full sun and adds striking color to gardens or large bright indoor spaces during spring.
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 3-4 in Out of Stock $30.99 Buy
Amazon.com 3-4 in In Stock $31.99 Buy
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Plant Details

Common Name Willow Bottlebrush
Family Myrtaceae
Genus Callistemon
Species Viminalis
Origin Australia
Blooming Profuse red flowers in spring to summer
Leaf Color Dark green / Grey-green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained sandy loam or acidic soil; tolerant of poor soils but avoid waterlogging

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Watering

Water regularly during establishment, reduce in winter; drought tolerant once mature

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Sunlight & Care

Full sun exposure required for optimal flowering and compact growth

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Fertilization

Apply slow-release native fertilizer in spring; low nutrient requirements

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Pruning

Prune after flowering to maintain shape and encourage dense foliage

Pest Control Aphid Caterpillar Psyllid Scale Insect

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 7 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
50° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 4500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 60%
% 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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