North America Non-native Plant

White-mahogany

Botanical name: Eucalyptus acmenoides

USDA symbol: EUAC5

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

White Mahogany: A Majestic Australian Native That Commands Attention If you’ve ever dreamed of having a towering shade tree with bark so beautiful it looks like nature’s own artwork, let me introduce you to the white mahogany (Eucalyptus acmenoides). This Australian native is not your average backyard tree – it’s ...

White Mahogany: A Majestic Australian Native That Commands Attention

If you’ve ever dreamed of having a towering shade tree with bark so beautiful it looks like nature’s own artwork, let me introduce you to the white mahogany (Eucalyptus acmenoides). This Australian native is not your average backyard tree – it’s a statement piece that demands space and respect.

What Makes White Mahogany Special?

The white mahogany gets its name from its stunning bark, which ranges from white to cream and sheds in irregular patches to reveal a gorgeous mottled pattern underneath. It’s like having a living sculpture in your landscape! This evergreen giant hails from the coastal regions of eastern Australia, particularly New South Wales and southern Queensland, where it thrives in the warm, sunny climate.

The Good, The Beautiful, and The Space-Hungry

Let’s be honest – white mahogany isn’t for everyone. Here’s what you need to know before falling in love with this tree:

Why You Might Want to Plant It:

  • Absolutely stunning bark that provides year-round visual interest
  • Fast-growing shade tree perfect for large properties
  • Drought tolerant once established (your water bill will thank you)
  • Attracts pollinators with its nectar-rich white flowers
  • Makes an excellent windbreak
  • Low maintenance once mature

Why You Might Want to Think Twice:

  • Gets HUGE – we’re talking 80+ feet tall and 40+ feet wide
  • Not suitable for small residential lots
  • Can drop branches (eucalyptus trees are notorious for this)
  • May not be hardy in colder climates

Growing Conditions and Care

White mahogany is surprisingly easy-going for such a magnificent tree. It thrives in USDA hardiness zones 9-11, so if you’re dealing with frost and snow, this might not be your tree. Here’s what it needs to flourish:

  • Sunlight: Full sun is essential – no shade-loving wallflower here
  • Soil: Well-draining soil is crucial; it doesn’t like wet feet
  • Water: Regular watering while young, then quite drought tolerant
  • Space: Did we mention it needs LOTS of space?

Planting and Care Tips

If you’ve got the space and climate for a white mahogany, here’s how to give it the best start:

  • Plant in spring when the risk of frost has passed
  • Choose your location carefully – this tree will outlive you and your grandchildren
  • Water regularly for the first few years until roots are well established
  • Mulch around the base to retain moisture and suppress weeds
  • Minimal pruning needed, but remove any dead or damaged branches
  • Keep an eye on branch health as the tree matures

Wildlife and Pollinator Benefits

White mahogany isn’t just a pretty face – it’s a wildlife magnet too. The nectar-rich flowers attract bees, butterflies, and other beneficial insects, making it a valuable addition to any pollinator-friendly landscape. Birds also appreciate the shelter and nesting opportunities this large tree provides.

A Word for North American Gardeners

While white mahogany is a stunning tree, it’s worth noting that it’s native to Australia, not North America. If you’re looking to support local ecosystems, consider exploring native alternatives like oak species, maples, or other indigenous shade trees that provide similar benefits while supporting local wildlife.

That said, if you live in a suitable climate zone and have the space, white mahogany can be a beautiful addition to large-scale landscapes – just make sure to source it from reputable nurseries and consider your local growing conditions carefully.

The Bottom Line

White mahogany is like that friend who’s absolutely gorgeous and charming but needs a mansion to feel comfortable. If you’ve got the space, climate, and patience, this tree will reward you with decades of stunning beauty and shade. Just remember – think big, plan ahead, and maybe warn the neighbors about your upcoming canopy expansion!

White-mahogany

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 acmenoides Schauer - white-mahogany

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