North America Native Plant

Ifil

Botanical name: Intsia bijuga

USDA symbol: INBI

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Growing the Majestic Ifil Tree: A Pacific Island Giant for Your Landscape If you’re looking to add some serious tropical grandeur to your landscape, the ifil tree (Intsia bijuga) might just be the showstopper you’ve been searching for. This impressive Pacific island native is not your average backyard tree – ...

Growing the Majestic Ifil Tree: A Pacific Island Giant for Your Landscape

If you’re looking to add some serious tropical grandeur to your landscape, the ifil tree (Intsia bijuga) might just be the showstopper you’ve been searching for. This impressive Pacific island native is not your average backyard tree – it’s a living monument that can transform any large landscape into a tropical paradise.

What Makes the Ifil Tree Special?

The ifil is a perennial tree that means business when it comes to size and presence. As a woody plant with a single trunk, it typically grows well over 13-16 feet tall, though in ideal conditions it can reach truly magnificent proportions. What sets this tree apart is its distinctive buttressed trunk and glossy compound leaves that create a lush, tropical canopy.

When flowering season arrives, you’ll be treated to clusters of fragrant white to pink blooms that not only look stunning but also fill the air with a delightful scent. These flowers eventually give way to attractive reddish-brown seed pods that add another layer of visual interest to this already impressive tree.

Where Does the Ifil Tree Come From?

The ifil tree is native to the Pacific Basin, with natural populations found in places like Guam and Palau. It’s perfectly adapted to island life, having evolved to thrive in coastal conditions and tropical climates throughout the Pacific region.

Is the Ifil Right for Your Garden?

Before you fall head over heels for this tropical beauty, let’s talk about whether it’s a good fit for your space and location. The ifil tree is best suited for:

  • Large landscapes with plenty of room to grow
  • USDA hardiness zones 10-12 (tropical and subtropical regions)
  • Coastal areas where salt tolerance is important
  • Properties where you want a dramatic specimen or shade tree
  • Gardens that can accommodate a tree with significant mature size

If you live outside the tropical zones or have limited space, this probably isn’t the tree for you. But if you’re in the right climate with room to spare, the ifil can become the crown jewel of your landscape design.

Benefits for Wildlife and Pollinators

The ifil tree isn’t just a pretty face – it’s also a valuable contributor to local ecosystems. The fragrant flowers are magnets for bees and other pollinators, making it an excellent choice for gardeners who want to support beneficial insects. The large canopy also provides shelter and nesting sites for various bird species.

Growing Conditions and Care

One of the ifil tree’s best qualities is that it’s relatively low-maintenance once established. Here’s what it needs to thrive:

  • Sunlight: Full sun exposure for best growth and flowering
  • Soil: Well-drained soils; adaptable to various soil types
  • Water: Regular watering while young, drought tolerant once established
  • Climate: Tropical to subtropical conditions
  • Salt tolerance: Excellent for coastal plantings

Planting and Care Tips

Successfully growing an ifil tree starts with choosing the right location. Make sure you have adequate space – this tree will need room to spread its impressive canopy. Plant in an area with good drainage and full sun exposure.

During the establishment period, provide regular watering to help the tree develop its root system. Once mature, the ifil becomes quite drought tolerant, making it perfect for low-water landscapes in appropriate climates.

Pruning requirements are minimal – mainly removing any damaged or crossing branches. The tree naturally develops an attractive form, so resist the urge to over-prune.

The Bottom Line

The ifil tree is a spectacular choice for gardeners in tropical zones who have the space to accommodate its impressive size. While it’s not suitable for every garden, in the right location it provides unmatched tropical beauty, wildlife benefits, and relatively easy care. If you’re outside its native range, consider looking for native alternatives that can provide similar benefits in your specific region.

Remember, patience is key with the ifil tree – like many large trees, it takes time to reach its full magnificent potential. But for those willing to wait, the payoff is a truly majestic addition to the landscape that will be enjoyed for generations to come.

Ifil

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

Intsia Thouars

Species

Intsia bijuga (Colebr.) Kuntze - ifil

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