North America Non-native Plant

Smith’s Eucalyptus

Botanical name: Eucalyptus smithii

USDA symbol: EUSM3

Native status: Not native but doesn't reproduce and persist in the wild

Smith’s Eucalyptus: A Fast-Growing Australian Beauty for Large Landscapes Looking for a dramatic tree that grows quickly and brings a touch of the Australian outback to your landscape? Meet Smith’s eucalyptus (Eucalyptus smithii), a striking evergreen that’s been catching the eye of gardeners who have space to spare and a ...

Smith’s Eucalyptus: A Fast-Growing Australian Beauty for Large Landscapes

Looking for a dramatic tree that grows quickly and brings a touch of the Australian outback to your landscape? Meet Smith’s eucalyptus (Eucalyptus smithii), a striking evergreen that’s been catching the eye of gardeners who have space to spare and a love for distinctive trees.

What Makes Smith’s Eucalyptus Special?

Smith’s eucalyptus is one of those trees that commands attention wherever it’s planted. This fast-growing beauty can reach impressive heights, making it a real statement piece in the landscape. What really sets it apart is its stunning bark – smooth and white to cream-colored, it naturally sheds in ribbon-like strips, creating an ever-changing canvas that looks almost painted.

The leaves are equally attractive, displaying that classic eucalyptus look with their lance-shaped form and blue-green to gray-green color. When the tree blooms, it produces clusters of small white flowers that may not be showy from a distance, but they’re definitely appreciated by local bees and other pollinators.

Where Does Smith’s Eucalyptus Come From?

This eucalyptus species hails from southeastern Australia, where it naturally grows in Victoria and southern New South Wales. In its native habitat, it’s adapted to various soil conditions and can handle both wet and dry periods, making it quite the survivor.

Is Smith’s Eucalyptus Right for Your Garden?

Here’s the thing about Smith’s eucalyptus – it’s not a small tree by any stretch of the imagination. This species is best suited for:

  • Large residential properties with plenty of room to grow
  • Rural landscapes and acreages
  • Parks and public spaces
  • Mediterranean-style gardens
  • Properties needing windbreaks or privacy screens

If you’re working with a typical suburban lot, this might not be your best choice. The tree’s size and vigorous growth habit mean it needs space – lots of it. However, if you’ve got the room, it can serve as an excellent specimen tree or provide quick shade for large areas.

Growing Conditions and Care

One of the best things about Smith’s eucalyptus is how relatively easy it is to grow once you understand its needs. This tree thrives in USDA hardiness zones 8-10, so if you’re in a warmer climate, you’re in luck.

Soil: Well-drained soil is essential. This eucalyptus isn’t picky about soil type, but it absolutely cannot tolerate waterlogged conditions.

Sunlight: Full sun is where this tree really shines. Give it at least 6-8 hours of direct sunlight daily for the best growth and bark coloration.

Water: Once established, Smith’s eucalyptus is quite drought tolerant. However, regular watering during the first few years will help it establish a strong root system.

Planting and Care Tips

Getting your Smith’s eucalyptus off to a good start isn’t complicated, but timing and technique matter:

  • Plant in spring when the risk of frost has passed
  • Dig a hole twice as wide as the root ball but no deeper
  • Water regularly during the first 2-3 years while the tree establishes
  • Mulch around the base to retain moisture and suppress weeds
  • Minimal pruning is needed – just remove dead or damaged branches
  • Fertilizer is rarely necessary if planted in decent soil

Wildlife and Pollinator Benefits

While Smith’s eucalyptus isn’t native to North America, its flowers do provide nectar for bees and other pollinators during its blooming period. The tree can also provide nesting sites for birds, though it may not support the same level of native wildlife that indigenous trees would.

Consider Native Alternatives

If you love the idea of a fast-growing, drought-tolerant tree but want to support local ecosystems, consider researching native alternatives in your area. Many regions have indigenous trees that can provide similar benefits while supporting native wildlife and pollinators more effectively.

The Bottom Line

Smith’s eucalyptus can be a stunning addition to the right landscape. Its fast growth, distinctive bark, and drought tolerance make it appealing for gardeners with large spaces in suitable climates. Just make sure you have the room for it to reach its full potential – this is definitely a measure twice, plant once kind of tree. With proper siting and basic care, it can provide years of beauty and shade, though always consider how native alternatives might better serve your local ecosystem.

Smith’s Eucalyptus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Myrtaceae Juss. - Myrtle family

Genus

Eucalyptus L'Hér. - gum

Species

Eucalyptus smithii R.T. Baker - Smith's eucalyptus

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA