North America Non-native Plant

Peltophorum

Botanical name: Peltophorum pterocarpum

USDA symbol: PEPT3

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 Pacific Basin excluding Hawaii âš˜ Non-native, reproduces and persists in the wild in Puerto Rico âš˜ Non-native, reproduces and persists in the wild in the U.S. Virgin Islands  

Synonyms: Peltophorum inermis (Roxb.) Naves ex Fernald-Vill., orth. var. (PEIN10)  âš˜  Peltophorum inerme (Roxb.) Naves ex Fernald-Vill. (PEIN13)  âš˜  Peltophorum pterocarpa (DC.) Backer ex K. Heyne, orth. var. (PEPT)   

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, ...

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.

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!

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 work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags 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. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Caribbean

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Hawaii

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Peltophorum

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
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