Oxypetalum caerulea

Blue Star Vine

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Tropical climbing vine with star-shaped blue flowers and glossy dark green leaves. Produces toxic milky sap; ideal for trellises in warm climates.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Blue Star Vine
Family Apocynaceae
Genus Oxypetalum
Species Caerulea
Origin India / Southeast Asia
Blooming Star-shaped blue flowers, spring to autumn
Leaf Color Dark green glossy
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining potting mix enriched with peat and perlite for aeration

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Watering

Keep soil consistently moist during active growth, allow top layer to dry slightly between waterings, reduce in winter dormancy

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Sunlight & Care

Requires bright indirect light to full sun for optimal blooming, protect from scorching midday heat in extreme summer

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Fertilization

Apply balanced liquid fertilizer every 2 weeks during growing season (Spring-Summer), stop feeding in late autumn

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Pruning

Prune back vigorously after flowering to maintain shape and encourage bushier growth on supports

Pest Control Aphid Mealybug Scale Insect 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 6 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
59° – 93°
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 – 20000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1800 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 70%
% 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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