Non-native Plants

Peltophorum

Peltophorum pterocarpum

USDA symbol: PEPT3

perennial tree

Lower 48 states: non-native, naturalized
Pacific Basin excluding Hawaii: non-native, naturalized
Puerto Rico: non-native, naturalized
U.S. Virgin Islands: non-native, naturalized

If you’re looking for a showstopper tree that can transform your tropical landscape into a golden paradise, let me introduce you to peltophorum (Peltophorum pterocarpum). This impressive tree, also known by its scientific synonyms including Peltophorum inerme and Peltophorum inermis, is like nature’s own fireworks display – but one that ...

Peltophorum: The Golden Flame Tree That Lights Up Tropical Gardens

If you’re looking for a showstopper tree that can transform your tropical landscape into a golden paradise, let me introduce you to peltophorum (Peltophorum pterocarpum). This impressive tree, also known by its scientific synonyms including Peltophorum inerme and Peltophorum inermis, is like nature’s own fireworks display – but one that lasts for months instead of minutes!

What Exactly Is Peltophorum?

Peltophorum is a perennial tree that typically grows as a single-trunked specimen reaching heights greater than 13-16 feet, though it can sometimes develop multiple stems under certain conditions. Think of it as the friendly giant of the tropical tree world – large enough to provide serious shade, but graceful enough to serve as a stunning ornamental centerpiece.

Where Does Peltophorum Call Home?

Originally native to Southeast Asia, including Malaysia, Indonesia, and the Philippines, peltophorum has made itself at home in various tropical locations. In the United States, you’ll find it growing in Florida, Guam, Palau, Puerto Rico, and the U.S. Virgin Islands. It’s considered a non-native species that reproduces naturally in these areas.

  • Species observed
  • No observations

The Good, The Bad, and The Beautiful

Why you might love peltophorum:

  • Spectacular golden-orange flower clusters that bloom for extended periods
  • Fast-growing shade provider perfect for hot climates
  • Feathery, compound leaves create dappled shade
  • Attractive ornamental seed pods add visual interest
  • Attracts bees and other beneficial pollinators
  • Drought tolerant once established

Things to consider:

  • Only suitable for USDA hardiness zones 10-12 (tropical and subtropical areas only)
  • As a non-native species, it may not support local wildlife as effectively as native alternatives
  • Large size requires adequate space – not suitable for small yards

Growing Conditions: What Makes Peltophorum Happy

Peltophorum is refreshingly unfussy when it comes to growing conditions. Here’s what it needs to thrive:

  • Sunlight: Full sun exposure for best flowering
  • Soil: Well-drained soil; tolerates various soil types
  • Water: Regular watering during establishment, then quite drought tolerant
  • Space: Plant where it has room to spread – this tree likes to stretch out!

Wetland Compatibility

Interestingly, peltophorum’s relationship with water varies by region. In the Atlantic and Gulf Coastal Plain, it’s considered facultative, meaning it can handle both wet and dry conditions. However, in the Caribbean and Hawaii regions, it’s classified as an obligate upland plant, preferring to keep its roots on the drier side.

Landscape Design Ideas

Peltophorum works beautifully as:

  • A specimen shade tree in large residential landscapes
  • Street tree in tropical urban settings
  • Focal point in commercial landscapes and parks
  • Background tree in mixed tropical plantings

Planting and Care Tips

Getting your peltophorum off to a good start is straightforward:

  • Plant in full sun location with adequate space for mature size
  • Water regularly during the first year to help establish strong roots
  • Minimal pruning required – just remove dead or crossing branches
  • Fertilize lightly in spring if desired, though it’s not usually necessary
  • Be patient – while fast-growing, the best flowering occurs on mature trees

Native Alternatives to Consider

While peltophorum can be a stunning addition to appropriate landscapes, consider these native alternatives that provide similar benefits while supporting local ecosystems:

  • For Florida: Tabebuia species (native trumpet trees)
  • For Caribbean regions: Local Cassia or Senna species
  • For Pacific regions: Indigenous flowering trees specific to your island

The Bottom Line

Peltophorum pterocarpum can be a magnificent addition to tropical and subtropical landscapes, offering spectacular blooms, reliable shade, and relatively easy care. While it’s not native to U.S. territories, its current status as a naturalized (but not invasive) species makes it a reasonable choice for appropriate climates. Just remember to give it plenty of space to show off its golden glory, and consider pairing it with native plants to create a landscape that’s both beautiful and ecologically supportive.

Whether you’re dreaming of a tropical paradise in your backyard or planning a large-scale landscape project, peltophorum might just be the golden ticket to the stunning shade tree you’ve been seeking!

Peltophorum pterocarpum is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Peltophorum pterocarpum is also known as:

Peltophorum inermis Naves ex Fernald-, orth. var. | USDA symbol: PEIN10
Peltophorum inerme Naves ex Fernald- | USDA symbol: PEIN13
Peltophorum pterocarpa Backer ex Heyne, orth. var. | USDA symbol: PEPT

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Atlantic and Gulf Coastal Plain (AL, AR, DC, DE, FL, GA, IL, KY, LA, MD, MS, MO, NC, NJ, OK, PA, SC, TN, TX, VA)

Facultative

Caribbean (PR, VI)

Obligate Upland

Hawaii ()

Obligate Upland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Fabales
Family: Fabaceae Lindl. - Pea family
Genus: Peltophorum (T. Vogel) Benth. - peltophorum

Species: Peltophorum pterocarpum (DC.) Backer ex K. Heyne - peltophorum

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