Sydney red gum (Angophora costata)

Sydney red gum

Also known as: Smooth-barked apple, Rose apple

Sydney red gum (Angophora costata) is an ornamental tree better suited to parks and larger gardens. Beware in wild weather though as this species has been known to lose branches in high winds. The pretty clusters of white flowers are often used in floral decorations.

Scientific classification

Species

Sydney red gum (Angophora costata)

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Perennial

Lifespan

4.5 m to 8 m

Spread

2.5 cm

Flower Size

White, Yellow

Flower Color

Evergreen

Leaf type

15 - 38 ℃

Ideal Temperature

Images of Sydney red gum

Quickly Identify Sydney red gum

Smooth, multicolored trunk shifts from pink/orange to gray-mauve, revealing cream to rose-colored wood.

Abundant 1-inch-wide white flowers in ribbed buds and fruit capsules, distinct against 6-inch-long leaves.

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Care Guide for Sydney red gum

Every 2 weeks

Water

Full sun

Sunlight

15 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Sydney red gum thrives in environments similar to its native Australian woodland, tolerating dry spells. It requires watering every two weeks, allowing soil to dry out between sessions. As an evergreen, sydney red gum maintains hydration in challenging climates and is typically grown outdoors due to its size.

Fertilize: Sydney red gum thrives on balanced nutrition fertilizer during active growth in spring and summer, with biannual applications recommended. A controlled release variety, used as per guidelines, avoids over-fertilization. Post-application, deep watering aids nutrient absorption, while adjustments may be necessary for young plants or extreme weather.

Pruning: Sydney red gum thrives with selective pruning, which involves removing dead branches and shaping the canopy for aesthetics. Prune during dormancy, from early to late winter, to reduce stress and promote growth. This practice enhances air circulation, minimizing disease risks.

Propagation: Sydney red gum features a distinctive reddish bark and lush canopy. Propagation succeeds with semi-hardwood cuttings and rooting hormone, ensuring genetic fidelity. Maintain moisture and avoid direct sunlight for optimal rooting, which may take several weeks for a robust root system.

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Images of Sydney red gum

Quickly Identify Sydney red gum

Care Guide for Sydney red gum

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