Acacia auriculiformis

Earleaf acacia

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Fast-growing evergreen tree with distinctive ear-shaped leaflets and bright yellow flowers; valued for timber and soil restoration in tropical regions.
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Plant Details

Common Name Earleaf acacia
Family Fabaceae
Genus Acacia
Species Auriculiformis
Origin Australia / Papua New Guinea
Blooming Produces yellow globular flower heads in late spring to summer.
Leaf Color Blue-green to grey-green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-drained sandy loam; tolerates poor soils due to nitrogen-fixing root nodules.

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Watering

Moderate watering when young; drought tolerant once established. Avoid waterlogging.

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Sunlight & Care

Requires full sun exposure for optimal growth and flowering. Tolerates high heat.

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Fertilization

Minimal fertilization needed due to nitrogen fixation. Apply phosphate if soil is poor.

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Pruning

Prune to shape or control height; remove dead wood and spines for safety.

Pest Control Aphid Mealybug Scale Insect 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 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
50° – 113°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 90%
% 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 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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