Campsis grandiflora

Chinese Trumpet Vine

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A vigorous deciduous climbing vine native to China, featuring large trumpet-shaped orange-red flowers and pinnate leaves. It requires support for growth and thrives in warm climates with full sun exposure.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Chinese Trumpet Vine
Family Bignoniaceae
Genus Campsis
Species Grandiflora
Origin China
Blooming Summer to Autumn, vibrant trumpet flowers on new growth
Leaf Color Bright green turning yellow in autumn
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Well-drained, fertile loam with slightly acidic to neutral pH; avoid waterlogged conditions.

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Watering

Regular watering during establishment and dry spells; drought tolerant once mature but prefers consistent moisture in summer.

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Sunlight & Care

Requires full sun for maximum flowering performance; tolerates partial shade but blooms reduce significantly.

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Fertilization

Apply balanced fertilizer in early spring before blooming; avoid excessive nitrogen to prevent foliage overgrowth at expense of flowers.

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Pruning

Prune hard after flowering or in late winter to control size and encourage vigorous new growth for next season's blooms.

Pest Control Aphid Scale Insect Spider Mite Thrip

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
50° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 65000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 4000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 65%
% volumetric
Water content in the growing medium
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Soil EC
400 – 2200
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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