Earleaf acacia - Acacia auriculiformis (Care, Characteristics, Flower, Images)

Earleaf acacia

Also known as: Papuan Wattle, Tan wattle, Earpod wattle, Akashmoni

Earleaf acacia (Acacia auriculiformis) is an evergreen tree that can grow from 20 to 27 m tall. It is a fast-growing tree with a gnarly trunk and is often multi-stemmed. It blooms in spring with yellowish-orange spiked clusters. Each tree produces about 47,000 seeds per year. It is becoming an invasive tree, displacing vegetation and native plants.

Scientific classification

Species

Earleaf acacia (Acacia auriculiformis)

Legumes, milkworts and allies

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Tree, Shrub

Plant Type

Summer, Fall

Bloom Time

Late fall, Early winter

Harvest Time

11 m to 12 m

Plant Height

8 m to 11 m

Spread

Green, Orange

Leaf Color

5 cm to 8 cm

Flower Size

Yellow

Flower Color

Evergreen

Leaf type

Images of Earleaf acacia

Distribution of Earleaf acacia

Distribution Map

Earleaf acacia is native to certain major regions in the tropical Pacific region but has been introduced to various other tropical and subtropical regions across the world. This broad distribution includes cultivation in regions where conditions are favorable for growth. While earleaf acacia has established itself in some non-native territories, it is sometimes thought to be a species that may have an impact on local ecosystems, notably in parts of Southeast Asia and the Pacific. Due to its robust nature and adaptability, earleaf acacia's presence is prominent in both its native and introduced ranges.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Savannahs, woodlands, swamp edges, coastal savannas, grasslands, monsoon forests and regrowth

Hemisphere Trend Curve

Northern

Sorthern

Weed Control

Earleaf acacia has been introduced to North America as an ornamental species planted in flower gardens. It's considered an invasive species in the US state of Florida, where it invades pinelands and scrublands and competes with native species. One tree can produce 47,000 seeds per year which spread easily through wind, water, and contact with humans and animals. In this area, it is advised not to plant earleaf acacia at all. If the species is planted, remove any blooms and seedlings to prevent futher spread and escape from the planting area.

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Care Guide for Earleaf acacia

Every 2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Earleaf acacia thrives in tropical climates, adapting to heavy rain followed by dry periods. Preferring balanced moisture, it requires watering every two weeks. As an evergreen, it retains water in its foliage, aiding its resilience to temperature fluctuations and sustaining its vibrancy year-round.

Fertilize: For earleaf acacia, apply balanced fertilizer quarterly, increasing during the growing season (1-2 lbs per 100 sq ft). Reduce in dormancy and avoid over-fertilization to prevent damage. Post-application, water earleaf acacia thoroughly to enhance nutrient absorption and promote health and growth.

Pruning: Earleaf acacia has elongated pods and bipinnate leaves. Light pruning in winter maintains its shape. Remove dead branches and thin crowded areas to enhance air circulation. Avoid heavy pruning to prevent stress. Clean tools are essential to minimize damage, promoting denser growth and flowering.

Propagation: Earleaf acacia thrives through sowing, with quality seeds enhancing germination rates. Surface sowing is ideal, covering seeds lightly. Maintain consistent moisture, avoiding waterlogging, and use well-draining soil to support earleaf acacia's growth and adaptation.

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