North America Non-native Plant

Ant Tree

Botanical name: Triplaris

USDA symbol: TRIPL5

Life cycle: perennial

Habit: tree

Native status: Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Puerto Rico  

The Ant Tree: A Tropical Giant for Warm Climate Gardens If you’re looking for a dramatic shade tree for your tropical or subtropical garden, you might have come across the ant tree (Triplaris). This impressive specimen brings a touch of the Amazon rainforest to your backyard – but is it ...

The Ant Tree: A Tropical Giant for Warm Climate Gardens

If you’re looking for a dramatic shade tree for your tropical or subtropical garden, you might have come across the ant tree (Triplaris). This impressive specimen brings a touch of the Amazon rainforest to your backyard – but is it the right choice for your landscape?

What is the Ant Tree?

The ant tree is a striking perennial tree that can tower over your garden at heights greater than 13-16 feet, though it can reach much taller in ideal conditions. As a member of the tree family, it develops a strong single trunk and creates an impressive canopy that provides excellent shade. The name ant tree comes from the fascinating relationship many Triplaris species have with ants in their native habitat – the trees actually provide hollow spaces where ants live, and in return, the ants protect the tree from herbivores.

Where Does It Grow?

While the ant tree originally hails from Central and South America’s tropical regions, it has established itself as a non-native species in parts of the United States. Currently, you’ll find it growing in Florida and Puerto Rico, where it has adapted well to the warm, humid climate and now reproduces on its own in the wild.

Should You Plant an Ant Tree?

The ant tree certainly has its appeal as a landscape specimen. Its large stature makes it an excellent shade provider, and the unique foliage adds tropical flair to any garden. However, there are a few things to consider:

The Pros:

  • Provides excellent shade coverage
  • Attractive tropical appearance
  • Relatively low maintenance once established
  • Can attract pollinators with its flowers
  • Makes a striking specimen or focal point tree

The Considerations:

  • Non-native species that may outcompete local plants
  • Limited to very warm climates (USDA zones 10-12)
  • Can grow quite large, requiring ample space
  • May not provide the same wildlife benefits as native alternatives

Growing Conditions and Care

If you decide the ant tree is right for your landscape, here’s what you need to know about keeping it happy:

Climate Requirements: This tree is strictly for warm, tropical climates. It thrives in USDA hardiness zones 10-12 and won’t survive freezing temperatures.

Light and Soil: Ant trees prefer full sun to partial shade and well-draining soil. They’re adaptable to various soil types but don’t like waterlogged conditions.

Watering: Regular watering is important, especially during dry periods. However, avoid overwatering as this can lead to root problems.

Space Planning: Give your ant tree plenty of room to grow – both up and out. These trees can become quite substantial, so plant them away from structures and power lines.

Consider Native Alternatives

While the ant tree isn’t considered invasive, choosing native species often provides better support for local ecosystems. If you’re in Florida, consider native shade trees like the Southern Live Oak or Bald Cypress. In Puerto Rico, native options might include the Royal Palm or West Indian Mahogany.

The Bottom Line

The ant tree can be a stunning addition to tropical gardens, offering impressive size and unique character. Just be sure you have the right climate, plenty of space, and consider how it fits into your local ecosystem. Whether you choose this exotic beauty or opt for a native alternative, the most important thing is selecting a tree that will thrive in your specific conditions and bring you years of enjoyment.

Ant Tree

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Triplaris Loefl. ex L. - ant tree

Species

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