North America Non-native Plant

Sasswood

Botanical name: Erythrophleum

USDA symbol: ERYTH6

Native status: Not native but doesn't reproduce and persist in the wild

Sasswood: A Majestic African Tree for Tropical Landscapes If you’ve ever dreamed of creating a truly exotic tropical garden, you might have stumbled across Erythrophleum, commonly known as sasswood. This impressive African native is definitely not your average backyard tree, but for those lucky enough to live in the right ...

Sasswood: A Majestic African Tree for Tropical Landscapes

If you’ve ever dreamed of creating a truly exotic tropical garden, you might have stumbled across Erythrophleum, commonly known as sasswood. This impressive African native is definitely not your average backyard tree, but for those lucky enough to live in the right climate, it can be a stunning centerpiece that brings a touch of the African savanna to your landscape.

What Exactly Is Sasswood?

Sasswood (Erythrophleum) is a genus of large, deciduous trees that call tropical Africa and Madagascar home. These aren’t your typical suburban shade trees – we’re talking about genuine giants that can tower over most landscapes. With their broad, spreading canopies and distinctive compound leaves, they’re the kind of trees that make you feel like you’re on safari rather than in your backyard.

Where Does Sasswood Come From?

This tree is a true child of Africa, naturally occurring across tropical regions of the continent and extending to Madagascar. In their native habitat, these trees are important components of tropical dry forests and woodland savannas, where they’ve adapted to survive both wet and dry seasons.

Should You Plant Sasswood in Your Garden?

Here’s where things get interesting (and a bit challenging). Sasswood is absolutely gorgeous, but it’s definitely not for everyone or every location. Let’s break down the pros and cons:

The Good News

  • Creates dramatic, impressive shade with its large canopy
  • Produces attractive flower spikes that pollinators love
  • Adds authentic tropical character to large landscapes
  • Relatively low maintenance once established

The Reality Check

  • Only suitable for USDA zones 10-11 (think southern Florida or Hawaii)
  • Needs lots of space – these trees get BIG
  • Not native to North America, so it won’t support local wildlife as effectively as native alternatives
  • Can be difficult to source from reputable nurseries

Growing Conditions and Care

If you’re in the right climate zone and have decided to give sasswood a try, here’s what you need to know:

Location and Soil

Sasswood loves full sun and well-draining soil. Think of the African savanna – bright, open spaces with soil that doesn’t stay soggy. These trees can tolerate various soil types but prefer something that drains well after heavy rains.

Water Needs

Young trees need regular watering to get established, but once mature, they’re quite drought-tolerant. This makes sense when you consider they evolved in regions with distinct wet and dry seasons.

Space Requirements

Give your sasswood plenty of room to spread. We’re talking about a tree that can eventually dominate a landscape, so plant it where it has space to reach its full potential without interfering with buildings or power lines.

Alternatives for Most Gardeners

Since sasswood is only suitable for very warm climates and isn’t native to North America, most gardeners might want to consider native alternatives that offer similar benefits:

  • For southern regions: Live oak or bald cypress
  • For tropical zones: Native palms or tropical hardwoods
  • For shade and wildlife value: Local native oak species

The Bottom Line

Sasswood is undeniably beautiful and can create a stunning focal point in the right setting. However, it’s really only practical for gardeners in the warmest parts of the United States who have large properties and want to create an authentic tropical landscape. For most of us, exploring native alternatives will give us better results with less hassle – and we’ll be supporting local wildlife in the process.

If you do decide to plant sasswood, make sure you’re purchasing from a reputable source and have realistic expectations about its space requirements. This isn’t a tree you plant and forget – it’s a long-term commitment that will eventually become a defining feature of your landscape.

Sasswood

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

Erythrophleum Afzel. ex R. Br. - sasswood

Species

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