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A guide to choosing the best yarn for crochet

So you're ready to start crocheting, but what is the best yarn for crochet? Find out about the different yarn weights and fibres of crochet yarn!


So you’ve learnt your first few crochet stitches and are officially ‘hooked’. Now it’s time to immerse yourself into the wonderful world of crochet yarn, and there’s so much to choose from. Here’s some handy yarn guides to ensure you pick the right types of yarn for your project! Let’s start with the basics – what is yarn?


What’s the difference between crochet wool and crochet yarn?

Yarn is the general cover-all term for anything that is ‘spun thread used for knitting, weaving, or sewing’ … and crochet too! Wool, however, is yarn made specifically from sheep, goats or similar animals – as well as being a useful fact to know it’s also important to consider if you are concerned about using animal products.

what is yarn

What is the best yarn for crochet?

A Dk weight yarn in acrylic, wool or cotton is what we would recommend as the best yarn for crochet for beginners. This is because they are generally quite uniform in thickness, plus if you make a mistake you can easily undo it.

Types of yarn for crochet

Once you’ve mastered the basics however, the reality is that there is so much wonderful crochet yarn out there that sometimes it can be hard to choose. The fibre content of your crochet yarn is perhaps the most important factor to consider when starting a project – do you want it to last a really long time, do you want it to be super-soft, do you want it to be eco-conscious, do you want it to be vegan friendly – the fibres make a difference to all these factors and more! We’ll take a quick look at some of the main fibre types of yarn for crochet in our yarn guide below.

  • Acrylic

Many acrylics are now surprisingly soft, available in incredibly bright colours and are very even and consistent. They’re not as breathable or as absorbent as wool, but are super-strong and machine washable! The sustainability of acrylics is a factor that divides many knitters and crocheters – after all, it is essentially plastic – however some people see this as being a positive as it lasts longer and isn’t susceptible to moths or wearing down. The other plus side of acrylics is that they’re usually one of the cheaper types of yarn available!


Here’s some of our favourite acrylic yarns to try:

  • Blends

Blends are one of the most popular types of crochet yarn. Mills mix different fibres to create yarns that combine the best of both worlds. Want a summer yarn that feels light and breezy? Try cotton with lightweight acrylic. Love alpaca but it’s just too hot? An alpaca/wool or cotton mix will be perfect! Blends also enable mills to create unusual yarns; synthetic fibres are often used to bind ‘feature’ items like sequins to the main strand of yarn. If you like expensive fibres such as cashmere, silk or wool, keep your eyes peeled for blended versions as they will often be cheaper!


Looking for interesting crochet yarn blends? Try some of these:

  • Cotton

If you’re after a crochet yarn that’s going to hold up to a lot of wear and tear and doesn’t have much elasticity, then cotton’s are the best yarn for crochet projects that need to be strong and sturdy. They feel very smooth to crochet with, and some cottons are mercerised (a chemical process to make them even smoother and take on dye better, as well as many other positive factors). Cotton yarns are very strong and give you nice clear stitches, but can be a bit on the heavy side. Cotton’s are often reasonably priced and come in a wide range of colours. They’re great for summer projects, and are are a great choice for knitters and crocheters that are allergic to animal fibres.


Too many cottons to choose from? Check out these!

  • Linen

Spun from flax from plants, linen is one of the first fibres ever to be spun. You can kind of think of it as a lightweight cousin to cotton – very strong but not a lot of stretch, definitely in the featherweight category. It’s highly absorbent which means that it works equally well in hot and cold weather, and due to it’s light weight it’s fantastic for shawls and garments (or anything that you want to drape well)


Here’s some lovely linen yarns for you to try:

  • Wool

Wool is breathable yet highly absorbent, so if you get caught in a rain shower in a woollen jumper it will keep you dry. As long as it’s not a boiling hot day, it will also keep you cooler for the same reasons. Wool is long-lasting and softens with wear, so keep the moths away and a crochet wool jumper could last decades. Thanks to its naturally anti-bacterial properties, wool also requires far less washing than other fibres. Use superwash yarn if you’re going to wash it in a machine though, as otherwise it can felt! Like other animal fibres, wool has a ‘memory’. If you wet it and stretch it out (blocking) it will keep the shape it dries into, making it perfect for lace, which needs ‘opening out’ after knitting or crocheting. If you’re worried about your crochet wool items being itchy, wear a short length tied around a necklace or watch and see if it irritates you.


Try these for fab 100% crochet wool yarns

  • And the rest…

There’s so many more different types of yarn for crochet that we could go on all day about it, alpaca, mohair, cashmere, silk, the list goes on! Ultimately, we can’t tell you which yarn is the best yarn for crochet, it’s down to you!

If you’re new to crocheting, you might enjoy our crochet guide for beginners, our guide on crochet kit for beginners, or our list of the top 10 best crochet hooks. Plus if you fancy learning some new techniques, you can find out how to work crochet stitches in the round or how to make a crochet magic loop.

What is yarn weight?

When people say ‘yarn weight’ they’re not talking about how heavy it is, they’re talking about how thick the strand of yarn is!

The names can be a bit misleading – for example, 4ply is a yarn weight, but a yarn can be made from 4 strands of thread spun together and NOT be a 4ply weight yarn. Another element that can lead to confusion is that the terms used in the UK and US are different, for example, worsted weight yarn is not really a term used in the UK but is commonly used it the US. But don’t worry, here’s our handy yarn guide to help you out!

  •  UK Lace/Crochet thread | US  Fingering/10 count crochet thread

Perfect for lace shawls and delicate projects, but can be a bit tricky. Usually worked with a 2-3mm hook.

  • UK 4ply | US Fingering/sport


A favourite weight for baby clothes, motifs and lightweight jumpers or cardigans.

  • UK Double Knitting (DK) | US Light Worsted

So called because it’s usually double the weight of 4ply, DK is the most popular yarn. It’s quick to knit and crochet with and is very versatile. Usually worked with 3.5mm – 4.5mm hook.

  • UK Aran | US Fisherman/Worsted weight

Originally created for fishermen’s jumpers, aran-weight wool (or worsted weight yarn as our friends in the US call it) can be used to make many accessories and garments when DK isn’t heavy enough, and chunky is too bulky. Perfect for outdoor or warm clothing.

  • UK Chunky | US Bulky

Heavier than aran, chunky wool is great for outdoor wear and winter jumpers. It’s ideal for beginners because the knitted or crocheted fabric will grow quickly! Usually worked with 6.5mm – 9mm hooks

  • UK Super Chunky | US Super-Bulky

This weight of yarn is popular for making winter coats and jumpers. It’s also good for beginners because it produces quick results. Good for furnishings.

  • UK Big | US Jumbo

Quick and easy to knit and crochet with, big yarns are ideal for winter and making bold statements. You’ll need big needles or a big hook for this yarn – up to 20mm thick. Perfect for bold scarves and coats, as well as cosy cushions and throws. Can be used with hooks from around 15mm and larger!!!


Tips for choosing yarn

Yarn weights are a great guide for choosing a suitable crochet yarn if you’re using something different than what is recommended in the pattern, but there are some things to be aware of.

  • Tension

Always start by checking your tension with the yarn you’re using! This is really important because even if, for example, two different yarns say they are DK weight, there can be subtle differences between the weight of the two. If you want to know more check out our guide on how to perfect your crochet tension. If you’re really set on using a yarn weight that is different to what is recommended in a pattern, things can get a bit tricky and it won’t always work – but you can find out more in our guide on how to substitute yarns.

  • Dye lots

Pay attention to the dye lot numbers. You will normally find this on the ball band/label. Because of the nature of dyes, one batch of yarn can be ever so slightly different in colour to another. The difference might be subtle enough that you wouldn’t notice it at first, but once you start making it can be really visible when you change from one ball to another.

  • Availability

If you’re thinking about tackling a big project, the last thing you want is to run out of crochet yarn and then find out that it’s no longer available! Always make sure you have enough yarn to complete your project, stockists can run out and sometimes yarns will be discontinued.