North America Non-native Plant

Roble Amarillo

Botanical name: Tabebuia chrysantha

USDA symbol: TACH3

Life cycle: perennial

Habit: tree

Native status: Non-native, reproduces and persists in the wild in Puerto Rico  

Roble Amarillo: A Golden Beauty for Tropical Gardens If you’ve ever walked through a tropical landscape and been stopped in your tracks by a tree absolutely glowing with golden-yellow flowers, chances are you’ve encountered a roble amarillo. This spectacular flowering tree, scientifically known as Tabebuia chrysantha, puts on one of ...

Roble Amarillo: A Golden Beauty for Tropical Gardens

If you’ve ever walked through a tropical landscape and been stopped in your tracks by a tree absolutely glowing with golden-yellow flowers, chances are you’ve encountered a roble amarillo. This spectacular flowering tree, scientifically known as Tabebuia chrysantha, puts on one of nature’s most dazzling shows when it blooms.

What Makes Roble Amarillo Special?

Roble amarillo is a perennial tree that typically grows 13-16 feet tall or more, creating an impressive canopy that’s perfect for providing shade in larger landscapes. What really sets this tree apart, though, is its incredible floral display. When blooming season arrives, the entire canopy becomes covered in clusters of bright yellow, trumpet-shaped flowers that seem to glow against the sky.

The tree’s compound leaves create an attractive backdrop for these stunning blooms, and its rounded to oval growth habit makes it an excellent choice for landscaping where you need both beauty and function.

Where Does Roble Amarillo Come From?

This beautiful tree isn’t native to the United States. Originally from South America – particularly Venezuela, Colombia, and parts of Central America – roble amarillo has been introduced to tropical regions like Puerto Rico, where it has naturalized and now reproduces on its own in the wild.

Should You Plant Roble Amarillo in Your Garden?

If you live in USDA hardiness zones 10-11 and have space for a larger tree, roble amarillo can be a stunning addition to your landscape. Here’s what to consider:

The Pros:

  • Absolutely spectacular golden-yellow flower display
  • Provides excellent shade once established
  • Attracts pollinators like bees, butterflies, and hummingbirds
  • Drought tolerant once mature
  • Works well as a street tree or landscape focal point

Things to Keep in Mind:

  • Only suitable for tropical and subtropical climates
  • Requires significant space due to its size
  • As a non-native species, it won’t support local wildlife as effectively as native alternatives

Growing Roble Amarillo Successfully

If you decide to grow roble amarillo, here’s what this tropical beauty needs to thrive:

Location and Soil:

  • Full sun exposure for best flowering
  • Well-draining soil (adapts to various soil types including clay and sandy soils)
  • Space for a large tree – plan for its mature size

Planting and Care:

  • Plant during warm months when frost danger has passed
  • Water regularly while the tree is establishing (first 1-2 years)
  • Once established, it becomes quite drought tolerant
  • Minimal pruning required – just remove dead or damaged branches
  • Fertilize sparingly; too much nitrogen can reduce flowering

Wildlife and Pollinator Benefits

While roble amarillo does attract some beneficial wildlife – particularly pollinators drawn to its showy flowers – it’s worth noting that native trees typically provide more comprehensive ecosystem benefits. The nectar-rich blooms do support bees, butterflies, and hummingbirds, which is certainly a plus for any garden.

Consider Native Alternatives

If you’re passionate about supporting local ecosystems and native wildlife, consider researching native flowering trees in your area that might provide similar aesthetic appeal while offering greater benefits to local wildlife. Your local extension office or native plant society can be excellent resources for finding beautiful native alternatives that thrive in your specific climate.

The Bottom Line

Roble amarillo is undeniably beautiful and can be a stunning addition to tropical and subtropical landscapes. Its golden flower display is truly spectacular, and it’s relatively easy to care for once established. Just remember that with any non-native plant, you’re making a choice about the kind of garden ecosystem you want to create. Whether you choose roble amarillo or a native alternative, the most important thing is creating a space that brings you joy while being mindful of your local environment.

Roble Amarillo

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Bignoniaceae Juss. - Trumpet-creeper family

Genus

Tabebuia Gomes ex DC. - trumpet-tree

Species

Tabebuia chrysantha (Jacq.) G. Nicholson - roble amarillo

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