Tasmanian blue gum - Eucalyptus globulus (Care, Characteristics, Flower, Images)

Tasmanian blue gum

Also known as: Blue gum, Eurabbie

Tasmanian blue gum (Eucalyptus globulus) is an evergreen tree that can grow to over 61 m tall. Blooms from fall to spring with yellowish white flowers. Flower buds have a warty cap that falls off to release the numerous brush-like stamens. Attracts bees hummingbirds and other pollinators. Grows in full sun and is a great specimen for parks and city courtyards.

Scientific classification

Species

Tasmanian blue gum (Eucalyptus globulus)

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Toxic to Pets

Toxicity

Perennial

Lifespan

Tree

Plant Type

Spring, Summer, Late winter

Bloom Time

45 m

Plant Height

9 m to 24 m

Spread

Blue, White, Green

Leaf Color

4 mm

Flower Size

White

Flower Color

White, Blue

Stem Color

Winter dormancy

Dormancy

Evergreen

Leaf type

10 - 38 ℃

Ideal Temperature

Images of Tasmanian blue gum

Distribution of Tasmanian blue gum

Distribution Map

Tasmanian blue gum is a widely distributed plant with a strong presence across several continents, especially in regions with temperate climates. As a native species, tasmanian blue gum thrives predominantly in Oceania. Through cultivation, tasmanian blue gum has established itself in various locations across Europe, Asia, the Americas, and Africa, but its deliberate propagation does mean it may sometimes be considered invasive. In certain areas, tasmanian blue gum could potentially have an impact on local ecosystems.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Damp marshy areas on moist loams and clays.

Hemisphere Trend Curve

Northern

Sorthern

Flowering

Fruiting

Culture

Garden Use

The most common eucalyptus species, the tasmanian blue gum tree is usually chosen by gardeners who want a fast-growing shade tree with nothing growing beneath it. Others choose it for its beauty or strong scent. It is generally used as a lone shade or specimen tree or is cut and shaped into a specimen shrub.

Interesting Facts

All Eucalyptus species produce toxic compounds to reduce grazing by herbivores and encroachment from other plants. Tasmanian blue gum goes a step further. It keeps the ground around it clear of understory plants via a "toxic fog drip" from its branches. This, plus fallen leaves that leach the chemicals into the soil, keeps its immediate area clear of plants that would compete for nutrients.

Name Story

Tasmanian blue gum: The name Eucalyptus comes from the Greek words for "well covered." It refers to the way the tree's flowers are concealed by its leaves until they're fully bloomed. Australians often use the name "gum tree" for various Eucalyptus trees, referencing the "gum" that can ooze out of breaks in the bark.

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Toxicity

Tasmanian blue gum is moderately toxic to humans, cats, and dogs due to its essential oil. Ingestion can cause gastrointestinal distress, central nervous system issues in humans, and similar symptoms in pets. Immediate veterinary care is recommended for animals showing signs of poisoning.

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Care Guide for Tasmanian blue gum

Every 2 weeks

Water

Full sun

Sunlight

10 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Tasmanian blue gum has moderate water needs and drought tolerance, flourishing with biweekly hydration. This evergreen plant thrives in various climates and prefers well-drained soil to avoid waterlogging, reflecting its adaptation to variable rainfall in its native habitat.

Fertilize: For optimal growth, tasmanian blue gum requires bi-annual fertilization with controlled-release balanced nutrition fertilizers. Apply moderate quantities during the growing season and water thoroughly afterward. Reduce frequency as tasmanian blue gum matures, particularly during dormancy. Always follow product guidelines and use gloves when handling fertilizers.

Pruning: Tasmanian blue gum thrives with pruning to maintain shape and health. Ideal timing is early to late winter; focus on deadwood and crossing branches. Proper pruning enhances airflow, sunlight, and vigor. Use clean, sharp tools to reduce disease risk.

Propagation: Tasmanian blue gum, native to Tasmania, is best propagated by sowing fresh seeds in well-draining, fertile soil. Sow shallowly in individual containers and maintain consistent moisture without overwatering. Once seedlings are sturdy, transplant to a spacious permanent location to support their rapid growth.

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