North America Non-native Plant

Long John

Botanical name: Triplaris melaenodendron

USDA symbol: TRME2

Life cycle: perennial

Habit: tree

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

Long John Tree: A Mysterious Non-Native with Limited Garden Appeal Meet the long John tree (Triplaris melaenodendron), a somewhat enigmatic non-native species that has found its way into Florida’s landscape. While its common name might sound like something from a pirate story, this perennial tree remains largely mysterious in the ...

Long John Tree: A Mysterious Non-Native with Limited Garden Appeal

Meet the long John tree (Triplaris melaenodendron), a somewhat enigmatic non-native species that has found its way into Florida’s landscape. While its common name might sound like something from a pirate story, this perennial tree remains largely mysterious in the gardening world, with surprisingly little information available about its cultivation and garden potential.

What Is Long John Tree?

Long John tree is a perennial, woody tree that typically grows with a single trunk and can reach impressive heights of 13-16 feet or more under the right conditions. Like many trees, it may occasionally develop a multi-stemmed growth form or stay shorter than usual depending on environmental factors.

This species belongs to the Triplaris genus, though it stands apart from its more well-known relatives due to the scarcity of detailed information about its characteristics and growing requirements.

Where Does It Grow?

In the United States, long John tree has established itself in Florida, where it reproduces on its own without human intervention. As a non-native species, it has managed to naturalize and persist in the wild, though its full range and preferred habitats remain poorly documented.

The Garden Dilemma: Should You Plant Long John Tree?

Here’s where things get tricky for gardeners. While long John tree isn’t currently listed as invasive or noxious, the lack of comprehensive information about this species makes it difficult to recommend for home landscapes. We simply don’t have enough data about:

  • Its specific growing requirements and preferred conditions
  • How it behaves in cultivated settings
  • Its potential benefits or drawbacks for local ecosystems
  • Proper care and maintenance needs
  • Its hardiness zones and climate preferences

A Better Path Forward

Given the limited information available about long John tree and the abundance of well-documented native alternatives, Florida gardeners might want to consider native tree species instead. Native plants offer several advantages:

  • Proven track record of supporting local wildlife
  • Well-understood growing requirements
  • Natural adaptation to local climate conditions
  • Extensive cultivation and care information available

Some excellent native Florida tree alternatives include live oak, bald cypress, red maple, and southern magnolia – all of which offer beauty, wildlife benefits, and extensive cultivation guidance.

The Bottom Line

While long John tree might sound intriguing, its mysterious nature and lack of horticultural information make it a questionable choice for most gardeners. Sometimes the most responsible approach is to stick with what we know works well – and that usually means choosing native species with proven garden performance and ecological benefits.

If you’re determined to learn more about long John tree, consider reaching out to local botanical institutions or native plant societies who might have additional insights about this elusive species.

Long John

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

Triplaris melaenodendron (Bertol.) Standl. & Steyerm. - long John

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