North America Non-native Plant

Corymbia Tessellaris

Botanical name: Corymbia tessellaris

USDA symbol: COTE21

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

Synonyms: Eucalyptus tessellaris F. Muell. (EUTE13)   

Moreton Bay Ash: A Stately Australian Native for Large Landscapes If you’ve got plenty of space and live in a warm climate, you might want to get acquainted with Corymbia tessellaris, better known as the Moreton Bay Ash or Carbeen. This impressive Australian native has been catching the eye of ...

Moreton Bay Ash: A Stately Australian Native for Large Landscapes

If you’ve got plenty of space and live in a warm climate, you might want to get acquainted with Corymbia tessellaris, better known as the Moreton Bay Ash or Carbeen. This impressive Australian native has been catching the eye of landscapers and homeowners looking for a distinctive shade tree that’s both beautiful and relatively low-maintenance once established.

What Makes Moreton Bay Ash Special?

The Moreton Bay Ash isn’t your average backyard tree. This striking specimen can reach heights of 50 to 80 feet with a spread of 30 to 50 feet, making it a real statement piece in any large landscape. What really sets it apart is its gorgeous bark – smooth and cream-colored to white, it naturally sheds in patches, creating an ever-changing mosaic pattern that’s absolutely captivating year-round.

During blooming season, clusters of small white flowers appear, adding another layer of visual interest while providing a feast for local pollinators like bees. The overall effect is a tree that’s both elegant and dynamic, changing its appearance subtly throughout the seasons.

Where Does It Come From?

Originally hailing from eastern Australia, particularly Queensland and New South Wales, the Moreton Bay Ash (you might also see it listed under its old botanical name, Eucalyptus tessellaris) has adapted to warm, subtropical to tropical climates. In its native habitat, it’s often found in woodland areas and along waterways.

Is This Tree Right for Your Garden?

Before you fall head over heels for this beauty, let’s talk practicalities. The Moreton Bay Ash is definitely not a small-space solution. This tree needs room to spread its branches and show off its full potential. It’s perfect for:

  • Large residential properties with acreage
  • Parks and public spaces
  • Wide street plantings
  • Rural or semi-rural landscapes
  • Areas where you need substantial shade coverage

If you’re working with a typical suburban lot, you might want to consider smaller native alternatives that won’t overwhelm your space or potentially interfere with structures and power lines.

Growing Conditions and Care

One of the appealing aspects of Corymbia tessellaris is its relatively straightforward care requirements, especially once it’s established. Here’s what this tree needs to thrive:

Climate: Hardy in USDA zones 9-11, this tree loves warmth and won’t tolerate freezing temperatures well.

Sunlight: Full sun is essential for healthy growth and the best flowering display.

Soil: Well-draining soil is crucial – this tree doesn’t appreciate soggy roots. It’s quite adaptable to different soil types as long as drainage is good.

Water: While drought-tolerant once mature, young trees need regular watering during their establishment period (typically the first 2-3 years).

Planting and Care Tips

If you’ve decided this tree is right for your landscape, here are some key tips for success:

  • Plant in spring when the weather is warming up but before the hottest summer months
  • Choose your location carefully – remember this tree will be there for decades
  • Water regularly during the establishment period, then gradually reduce as the tree matures
  • Mulch around the base to retain moisture and suppress weeds, but keep mulch away from the trunk
  • Minimal pruning is typically needed, but remove any dead or damaged branches

Benefits for Wildlife and Pollinators

The white flower clusters aren’t just pretty – they’re also valuable for local pollinators, particularly bees. The nectar and pollen provide important food sources, making this tree a contributor to pollinator health in your area.

Consider Native Alternatives

While the Moreton Bay Ash can be a beautiful addition to appropriate landscapes in suitable climates, you might also want to explore native trees that can provide similar benefits. Depending on your location, native oaks, maples, or other large shade trees might offer comparable beauty while supporting local ecosystems more directly.

The Bottom Line

The Moreton Bay Ash is undeniably striking, and for the right property in the right climate, it can be a wonderful choice. Just make sure you have the space it needs and the climate it craves. With proper placement and care, this Australian native can become a magnificent focal point that provides decades of beauty and shade.

Corymbia Tessellaris

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

Corymbia K.D. Hill & L.A.S. Johnson - corymbia

Species

Corymbia tessellaris (F. Muell.) K.D. Hill & L.A.S. Johnson

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