Last Updated on July 2, 2026 by Sam Wood Worker
If you ever walked into a timber yard and saw a deep reddish-brown wood sitting next to the oak and pine, and you stopped and asked “what is that?” — that was probably jarrah wood. I remember the first time I touched a piece of it. It felt heavier than it looked, and the guy at the counter told me, “this wood will outlive both of us.” I didn’t believe him at first. Now, after using it on a few projects, I do.
In this guide, I want to walk you through everything I know about jarrah wood — what it is, why people love it, where it works best, and where it might not be the right choice for you. No fancy words, just plain talk from someone who has actually worked with it.
What Is Jarrah Wood?
Jarrah wood comes from the Eucalyptus marginata tree, which grows naturally in the southwest corner of Western Australia. It’s not a wood you’ll find growing in your backyard unless you live in that part of the world. Most of us buy it already milled, imported, or reclaimed from old structures.
The color is the first thing that grabs you. Fresh jarrah starts out a rich pinkish-red, and over months and years, it darkens into a deep reddish-brown, almost like dried wine. The grain is usually straight, but you’ll sometimes find pieces with a wavy or interlocked grain, which gives a nice rippling shine when you polish it.
My Honest Experience With Jarrah
I first used jarrah on an outdoor bench project. I was nervous because it’s not a cheap wood, and I didn’t want to mess it up. Here’s what I noticed working with it:
- It’s heavy. Heavier than oak, heavier than most wood I had touched before. You feel it the moment you pick up a plank.
- It’s tough on tools. My blades dulled faster than usual. If you’re planning to work with jarrah, keep your blades sharp and go slow.
- It smells earthy when you cut it, almost like wet soil after rain. Some people love that smell, some don’t notice it at all.
- It takes finish beautifully. A simple oil finish brought out a shine I wasn’t expecting from a first coat.
How Hard Is Jarrah Wood?
This is one of the most common questions I get, and it’s a fair one. Jarrah sits high on the Janka hardness scale, which measures how much force it takes to push a steel ball halfway into a piece of wood. If you’re not familiar with what that number actually means for your project, I broke it down in plain terms in my Janka hardness guide — worth a quick read before you buy any hardwood, not just jarrah.
In short: jarrah is hard. It resists dents, scratches, and general wear far better than softer woods like pine or cedar. That’s part of why it’s so popular for flooring and decking.
Why People Choose Jarrah Wood
Here’s a quick table I put together after using it and researching it for my own projects:
| Benefit | Why It Matters |
|---|---|
| Natural durability | Resists rot and decay without heavy chemical treatment |
| Termite resistance | Naturally unattractive to termites and borers |
| Beautiful color | Deep red tone that darkens with age, ages like leather |
| Strength | Handles structural loads well, good for beams and flooring |
| Long lifespan | Can last decades outdoors with basic care |
Because jarrah handles moisture and pests so well naturally, a lot of people ask me if they even need to worry about termite treatment when using it outdoors. I still say yes, be cautious — no wood is fully immune, and it helps to understand the difference between termite damage and wood rot so you know what you’re actually looking at if you ever spot damage on an older piece.
Where Jarrah Wood Works Best
From my own use and from talking to other woodworkers, jarrah shines in these situations:
1. Outdoor decking
Jarrah is a favorite decking wood in Australia for good reason. It holds up against sun, rain, and general wear. If you’re comparing decking woods on a budget, I put together a breakdown of best woods for decks at every budget that might help you see where jarrah fits compared to cheaper options.
2. Flooring
The hardness and rich color make jarrah a strong pick for flooring in high-traffic homes. It’s not cheap, but it’s the kind of floor you install once and forget about for years.
3. Furniture
Tables, chairs, and cabinets made from jarrah develop a beautiful patina over time. I made a small side table with offcuts from my deck project, and honestly, it’s my favorite piece in the house now.
4. Boat building and marine use
Because of its natural water resistance, jarrah has a long history in boat building.
5. Garden beds and outdoor structures
If you want a raised garden bed that won’t rot in two seasons, jarrah is worth considering. I compared several woods for this exact purpose in my best wood for raised garden beds article.
Jarrah vs Other Popular Woods
People always ask me how jarrah stacks up against the “usual suspects” — teak, ipe, cedar. Here’s my honest take:
- Jarrah vs Ipe: Both are dense, durable, and great outdoors. Ipe is slightly harder, jarrah has a warmer color. If you want the full comparison of pros and challenges with ipe, I wrote about it in ipe wood benefits and challenges.
- Jarrah vs Teak: Teak has more natural oils, which some people prefer for marine use, but jarrah is often more affordable depending on your region. I compared teak against a softer wood in my teak wood vs pine wood piece if you want to see teak’s strengths in more detail.
- Jarrah vs Western Red Cedar: Cedar is much lighter and easier to work with, but it won’t match jarrah’s strength or lifespan outdoors. I go deeper into cedar’s pros and cons in my western red cedar guide.
None of these woods are “bad” — it really depends on your project, your climate, and your budget.
Is Jarrah Wood Expensive?
Yes, jarrah usually sits on the pricier end, though it’s not typically as expensive as the rarest exotic hardwoods out there. If you’re curious where jarrah lands compared to truly rare timbers, I listed some of the priciest options in 9 most expensive woods in the world.
If cost is a real concern for a bigger project like a deck, it might be worth looking into financing options before you commit. I wrote a simple guide on financing a deck that walks through how people typically fund larger builds like this.
How To Finish and Maintain Jarrah Wood
Jarrah doesn’t need much, but a little care goes a long way.
- Sand it properly first. Because jarrah is so dense, a good orbital sander makes this step much easier. I use recommendations from my best orbital sanders for woodworking guide when picking tools for dense hardwoods like this.
- Choose the right finish. Oil-based finishes tend to bring out the red tones beautifully. If you’re unsure which type suits your project, I broke down the difference in oil-based stain vs water-based stain.
- Reapply finish every couple of years for outdoor pieces. This keeps the color rich and protects against UV fading.
- If you’re new to finishing wood in general, my wood finishes 101 guide is a good starting point before you pick anything.
Common Questions About Jarrah Wood
Is jarrah wood good for outdoor use?
Yes. Its natural density and resistance to moisture and pests make it one of the better choices for decking, garden structures, and outdoor furniture.
Does jarrah wood need to be sealed?
It’s not required, since jarrah is naturally durable, but sealing helps preserve the color and adds extra protection against sun and rain.
Is jarrah wood sustainable?
Jarrah is a protected and regulated species in parts of Australia. Always buy from a supplier who can confirm the wood is sourced responsibly.
How long does jarrah wood last outdoors?
With basic maintenance, jarrah decking and furniture can easily last several decades.
Can beginners work with jarrah wood?
Yes, but go in prepared. It’s harder on tools and blades than softer woods, so patience and sharp equipment matter more than fancy skills.
My Final Thoughts
Jarrah wood earned its reputation the honest way — it’s tough, it looks great, and it lasts. It’s not the cheapest option in the yard, and it’s not the easiest wood to cut through on a lazy Sunday afternoon. But if you want something that will still be standing strong twenty years from now, it’s hard to argue against it.
If you’re planning your next project and still deciding between woods, take your time comparing a few options before you buy. The right wood for your climate and budget will save you money and headaches down the road.
