North America Non-native Plant

Brucea

Botanical name: Brucea

USDA symbol: BRUCE

Life cycle: perennial

Habit: shrub

Native status: It's either native or not native in Pacific Basin excluding Hawaii  

Brucea: A Rare Tropical Shrub Worth Knowing About If you’ve stumbled across the name brucea in your plant research, you’ve discovered one of the more obscure members of the tropical shrub world. Brucea is a genus that flies under the radar of most gardeners, and for good reason – these ...

Brucea: A Rare Tropical Shrub Worth Knowing About

If you’ve stumbled across the name brucea in your plant research, you’ve discovered one of the more obscure members of the tropical shrub world. Brucea is a genus that flies under the radar of most gardeners, and for good reason – these perennial woody plants are primarily wild species with very specific growing requirements that make them challenging for typical garden cultivation.

What Exactly is Brucea?

Brucea is a perennial, multi-stemmed woody plant that typically grows as a shrub, usually staying under 13 to 16 feet in height. Like most shrubs, it develops several stems from or near ground level, though environmental conditions can sometimes push it to grow taller or develop a more tree-like, single-stemmed form.

These plants belong to a genus that’s primarily found in tropical regions, with documented presence in places like Palau in the Pacific Basin. The genus has a somewhat mysterious quality to it – much about their cultivation, wildlife benefits, and specific growing requirements remains largely undocumented in horticultural literature.

Should You Grow Brucea in Your Garden?

Here’s where things get tricky. While Brucea isn’t listed as invasive or noxious, it’s also not exactly what you’d call garden-friendly. The lack of readily available information about cultivation methods, propagation, and specific care requirements suggests these plants are better suited to their natural tropical habitats than to managed landscapes.

The Reality of Growing Brucea

If you’re determined to try growing a Brucea species, here’s what you’re up against:

  • Very limited availability through typical nursery channels
  • Specific tropical growing conditions that are difficult to replicate
  • Unknown propagation requirements
  • Unclear pest, disease, and maintenance needs
  • Limited information about mature size and growth rate

Better Alternatives for Your Garden

Instead of wrestling with the mysteries of Brucea cultivation, consider exploring well-documented native shrubs that are suited to your specific region. These alternatives will give you:

  • Proven cultivation success
  • Known wildlife and pollinator benefits
  • Available care and maintenance information
  • Better nursery availability
  • Established role in landscape design

The Bottom Line

Brucea represents one of those plant genera that’s fascinating from a botanical perspective but challenging from a practical gardening standpoint. While there’s nothing inherently wrong with these tropical shrubs, the lack of cultivation information and limited availability makes them poor candidates for most garden situations.

If you’re interested in unique tropical plants, you’ll have much better success focusing on species with established cultivation practices and documented growing requirements. Your garden – and your sanity – will thank you for choosing plants with a proven track record of success in cultivation.

Brucea

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

Sapindales

Family

Simaroubaceae DC. - Quassia family

Genus

Brucea J.F. Mill. - brucea

Species

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