Everything you wanted to know about eucalyptus yarn — and quite a bit you didn't know you wanted to know
When people first hear about eucalyptus yarn, they tend to have one of two reactions. Either "Oh, that's nice" — vaguely positive, not particularly curious — or "Wait, how does that work?" The second reaction is the right one. Because the answer is genuinely fascinating, and understanding it will probably make you appreciate the yarn a good deal more when you're working with it.
Let's start at the beginning.
Eucalyptus is, famously, a tree. A very fast-growing one — it can add several metres in a single year under the right conditions. The plantations used for fibre production are in Portugal, which means the trees are grown relatively locally by European standards, not shipped from the other side of the world, and they thrive in the warm southern European climate without needing irrigation or pesticides. They're not ancient forest. They're grown specifically for harvest and they regenerate after cutting, which means the land isn't cleared between crops.
This matters because "plant-based" doesn't automatically mean sustainable. Cotton, for instance, is plant-based, but conventional cotton farming uses an enormous amount of water and chemical pesticide. Eucalyptus grown for fibre is a rather different proposition.
So you have a rapidly renewable raw material, grown without chemicals, in a reasonably nearby country. Good start.
You can't spin a tree directly into yarn. There's a processing step in between, and this is where eucalyptus yarn really earns its credentials — or, in the case of some other plant-based fibres, fails to.
The eucalyptus wood is broken down into pulp. That pulp is dissolved using a solvent — a chemical called amine oxide — which turns it into a thick liquid. That liquid is then pushed through tiny holes to produce long, fine fibres, which are washed, dried, and eventually spun into the yarn you buy.
The bit that makes this production method genuinely impressive is what happens to the solvent. It's recovered and recycled back into the process. Over and over again. The manufacturers recover more than 99% of it, which means almost nothing is discharged into water or air. This is known as a closed-loop process, and it's what puts eucalyptus Lyocell — sold under the brand name TENCEL™ — in a very different category from, say, conventional viscose, which uses a much messier process and is far harder on the environment.
Bamboo is sometimes held up as a comparable sustainable fibre, and the raw material has some of the same fast-growing, low-impact qualities as eucalyptus. But the processing of bamboo into fabric typically doesn't use a closed-loop system, meaning chemicals can escape into the water supply. The closed loop is the thing. It matters quite a lot.
All of that is very well, but what does it feel like?
Silky. Genuinely silky, in a way that takes you slightly by surprise when you first pull it off the ball. It has a sheen to it — a subtle lustre that catches the light — and a drape that you don't get from cotton or acrylic. It's cool to the touch. It's light. It's breathable.
If you've worked with cotton yarn, eucalyptus has a similar weightlessness but with considerably more softness and a fluid quality that lends itself beautifully to garments that need to move — summer tops, shawls, wraps, lightweight cardigans. Anything where you want the finished piece to drape rather than hold its shape rigidly.
It's also kind to sensitive skin. Because it's produced without harsh chemical residues and has a naturally smooth fibre structure, it's gentle in a way that some plant fibres aren't. Those of us who can't wear anything remotely scratchy may find eucalyptus yarn is rather revelatory.
Here's something worth knowing before you buy: eucalyptus yarn can vary slightly in shade between batches. The product listings on our site make this clear — it's a natural consequence of working with a plant-based fibre rather than a synthetic one. The dye takes to the fibre beautifully, but the way a natural fibre accepts colour can shift very slightly depending on the batch.
The practical upshot of this is: if you're starting a project, buy enough yarn to finish it in one go. Don't assume you can order one more ball later and get an exact match. It might be fine. It might be fractionally off. For something like a shawl or a garment, where colour consistency matters, get what you need at the outset.
This isn't a flaw, exactly. It's a characteristic of working with natural materials, and most experienced crafters take it in their stride. But it's worth knowing.
The drape and breathability of eucalyptus yarn make it ideal for:
Garments worn next to the skin. Tops, tunics, lightweight jumpers, dresses. The fibre is cool against the skin and doesn't irritate even in warm weather.
Shawls and wraps. Where you want something with weight and movement, but not bulk. Eucalyptus yarn drapes beautifully and will hold a blocked shape well.
Baby items. Its softness and hypoallergenic qualities make it an excellent choice for baby garments and blankets — though check care instructions and be gentle on washing.
Gift wrapping. Yes, really. The sheen and fine texture of eucalyptus yarn makes it a genuinely elegant and plastic-free alternative to ribbon. A gift wrapped with a bow of eucalyptus yarn is considerably more pleasing than one done up in synthetic ribbon, and the recipient can keep the yarn.
We stock eucalyptus aran/chunky yarn in 100g balls, each giving approximately 150m of yarn — enough for a generous shawl, or several smaller accessories.
Our current colours include:
You can browse the full eucalyptus yarn collection here, where you'll find the complete range of available colours.
Eucalyptus Lyocell is compostable at end of life. Not "technically biodegradable over several decades" in the way some materials claim. Actually compostable — it will break down in a home compost environment. For a yarn used to make a gift wrap bow, a worn-out dishcloth, or the odd failed project that will never be finished, this is not a small thing.
Most yarn ends up in the bin eventually. With eucalyptus, it doesn't have to.
That's the full case for eucalyptus yarn. It's unusual, it's produced with genuine integrity, it's beautiful to work with, and it will go back into the earth when you're done with it. We think that's pretty compelling for something that starts as a tree in Portugal.
Browse our eucalyptus yarn range and see which colour calls to you.
