North America Native Plant

Colona

Botanical name: Colona

USDA symbol: COLON

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Colona: A Rare Pacific Island Tree Worth Knowing About If you’ve never heard of Colona, you’re not alone. This mysterious tree genus is one of the Pacific’s best-kept secrets, native to the tropical islands of the Pacific Basin. While it may not be sitting on the shelves of your local ...

Colona: A Rare Pacific Island Tree Worth Knowing About

If you’ve never heard of Colona, you’re not alone. This mysterious tree genus is one of the Pacific’s best-kept secrets, native to the tropical islands of the Pacific Basin. While it may not be sitting on the shelves of your local nursery, understanding this unique plant can give us insights into Pacific Island biodiversity and the challenges of rare plant cultivation.

What is Colona?

Colona is a perennial tree that typically grows as a single-trunked woody plant, reaching heights greater than 13-16 feet under normal conditions. Like many tropical trees, it can sometimes develop a multi-stemmed growth form or stay shorter (under 13 feet) depending on environmental conditions.

This tree is native to the Pacific Basin, with documented populations in Palau. Its limited distribution makes it a fascinating example of island endemic flora—plants that evolved in isolation and are found nowhere else on Earth.

Why Consider (or Not Consider) Colona for Your Garden

Here’s the thing about Colona—it’s not your typical garden center find. This tree presents some unique considerations:

  • Extreme rarity: With such a limited native range, finding Colona plants or seeds is nearly impossible through typical channels
  • Climate requirements: Being from tropical Pacific islands, it would only thrive in the warmest USDA zones (likely 10-12)
  • Unknown garden performance: There’s limited information about how this tree performs in cultivation
  • Conservation value: If you could obtain responsibly sourced material, growing rare species can contribute to conservation efforts

Growing Conditions and Care

While specific growing information for Colona is scarce, we can make educated guesses based on its Pacific Island origins:

  • Climate: Warm, tropical conditions year-round
  • Hardiness: Likely suitable only for USDA zones 10-12
  • Moisture: Probably prefers consistent moisture, typical of tropical environments
  • Soil: Well-draining soil, possibly tolerant of sandy or volcanic soils common in its native range

The Reality Check

Let’s be honest—unless you live in Hawaii, southern Florida, or another tropical zone AND happen to have connections to botanical conservationists working with Pacific Island flora, you’re unlikely to grow Colona in your lifetime. And that’s okay!

Instead of pursuing this elusive tree, consider these alternatives if you’re drawn to rare or tropical trees:

  • Native trees from your own region that may be underutilized in landscaping
  • Other Pacific or tropical species that are more readily available and better understood horticulturally
  • Supporting conservation organizations that work to preserve rare species like Colona in their native habitats

Conservation Considerations

Colona represents something important in our plant world—the incredible diversity that exists in isolated ecosystems. While we may not be able to grow it in our backyard gardens, we can appreciate its role in Pacific Island ecosystems and support conservation efforts that protect these unique plants in their native homes.

Sometimes the best way to grow rare plants is to ensure they continue thriving where they belong—in their native habitats, supported by the complex web of relationships they’ve evolved with over thousands of years.

The Bottom Line

Colona is more of a plant to admire from afar than to actively pursue for your garden. Its story reminds us that the plant kingdom is vast and full of species we may never personally encounter, but that contribute to the incredible biodiversity of our planet. Focus your gardening energy on plants you can actually grow successfully while appreciating the existence of rare gems like Colona from a distance.

Colona

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Malvales

Family

Tiliaceae Juss. - Linden family

Genus

Colona Cav.

Species

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