Which Yarn for a Baby Blanket? Yarns, Sizes and Yarn Requirements

Which yarn is right for a baby blanket? That's the first question in almost every baby project, because the blanket touches your baby's skin directly, gets cuddled and chewed on, and is washed often. The short answer: a soft, medium-weight yarn that isn't itchy and doesn't shed, for example merino wool, baby alpaca or a wool blend. In this guide, we compare the fibers, introduce our baby yarns and show you the common sizes along with how much yarn you'll need. You'll also get an easy seed stitch knitting pattern and the most important safety tips.

What makes a good yarn for baby blankets

A yarn for baby items has a lot to live up to:

• Soft and itch-free: a baby's skin is thin and sensitive. Test the ball by holding it against your neck: if it feels itchy there, it's not right for your baby.
• No long, loose fibers: little hairs that work loose from the yarn easily end up in a baby's mouth and nose. Smooth, well-plied yarns are the better choice here.
• Pill-resistant: a blanket is constantly rubbed and tugged. A small share of polyamide makes the yarn more durable, and tightly plied yarns form fewer pills.
• Easy care: think ahead about how often the blanket will need washing. More on this in the care section.
• Temperature-regulating: wool, merino and alpaca can absorb moisture without feeling damp, which helps even out temperature changes.
• Medium weight: yarns with 180–280 m per 100 g give a dense, soft fabric, and the blanket still grows at a good pace.

Which yarn for a baby blanket? The fibers compared

Every fiber has its own strengths – and its limits:

By the way: "baby alpaca" isn't wool from young animals – it's the name for an especially fine grade of alpaca fiber. A blend is often the best compromise: wool and alpaca bring softness and warmth, while polyamide or acrylic make the blanket lighter and help it keep its shape. Learn more about the fiber in our guide Alpaca Wool: Properties and Care.

Yarns that are better avoided for babies

• Mohair and angora: the long, fine hairs easily work loose from the yarn and can get into a baby's mouth and nose. They're lovely for shawls and sweaters, but not for baby items.
• Glitter and metallic yarns: the metallic thread is stiffer and rougher than the other fibers and can scratch delicate skin.
• Very fluffy novelty yarns: faux fur, eyelash and fringe yarns have long fibers that can come loose over time and that little fingers can get caught in.

Our baby yarns for your baby blanket

"Baby yarn" isn't a fiber of its own – it's the name for especially soft yarns that are suitable for baby items. For blankets, we especially recommend the following yarns, all in 100 g balls from Italy. You'll also find most of them in our Baby Yarn category.

Baby blanket with baby alpaca

Baby Wool Fantasie with Baby Alpaca, 180 m / 100 g – 30 % baby alpaca, 60 % wool, 10 % polyamide, needle size 4–5 mm, hook size 5–6 mm, color beige. The yarn is 90 % natural fibers, with just enough polyamide added to hold the shape. The pattern further down is calculated for this yarn.

Soft Wool Belanca with Baby Alpaca, 220 m / 100 g – 36 % baby alpaca, 15 % wool, 29 % acrylic, 20 % polyamide, needle size 4–4.5 mm, hook size 4.5–5.5 mm, colors light mint, denim, pink and light brown. With more than a third baby alpaca, this yarn has the highest alpaca content in our selection and still stays lightweight. Light mint and pink are soft shades for baby items.

Fluffy Yarn Alina with Baby Alpaca, 200 m / 100 g – 32 % baby alpaca, 12 % wool, 22 % polyamide, 34 % acrylic, needle size 4–5.5 mm, hook size 5–6 mm, color white. This yarn contains almost a third baby alpaca and has a fine halo that gives the finished blanket a soft glow. It contains no mohair or angora. In white, it's perfect for a classic newborn blanket or a blanket with cables.

Baby blanket with merino wool

Merino Wool Bonny, 350 m / 100 g – 93 % merino wool, 5 % polyamide, 2 % elastane, needle size 3–3.5 mm, hook size 3.5–4 mm, colors purple and pink. Merino is especially often recommended for baby items because the fiber is so fine. This thin yarn makes a lightweight blanket – but you'll knit considerably more stitches.

Bouclé Wool Spring with Merino & Baby Alpaca, 260 m / 100 g – 25 % baby alpaca, 41 % merino wool, 33 % acrylic, 1 % elastane, needle size 3.5–4 mm, hook size 4–5 mm, color milk white. The little bouclé loops bring even plain stockinette to life. So you don't need a stitch pattern: a simple blanket in stockinette or garter stitch is all it takes.

Blended yarns for crochet blankets and kids' blankets

Virgin Wool Aira, 280 m / 100 g – 70 % virgin wool, 30 % acrylic, needle size 3–4 mm, hook size 4–5 mm, color powder pink. A yarn for all seasons: the wool keeps you warm, and the acrylic keeps the blanket lightweight and in shape. It's also a great fit for a crocheted baby blanket.

Wool Nello with Alpaca, 180 m / 100 g – 50 % wool, 15 % alpaca, 35 % acrylic, needle size 4–5 mm, hook size 5–6 mm, colors green, purple and orange. The colors are solid and muted, so cables and textured stitches stand out nicely. With its bolder shades, this yarn suits a play mat or a kids' blanket that can grow with your child for years.

You'll find more soft yarns under Baby Alpaca Wool and Merino Wool, or with our filter Kids' and Baby Clothing.

How much yarn for a baby blanket? Sizes and yarn requirements

How big the blanket should be depends on what you'll use it for. These sizes are common. We calculated the yarn amounts using our rules of thumb for medium-weight yarns: about 450–550 g per square meter for knitting and about 600–700 g per square meter for crochet, in balls of 100 g each.

It's best to buy 1 extra ball as a reserve. Textured patterns like seed stitch or cables use more yarn than stockinette. If you have some left over at the end, it's often enough for a matching baby hat.

Knit or crochet a baby blanket?

Either works, and all the yarns mentioned here can be knitted or crocheted. The differences:

• Knitted blankets turn out softer, thinner and drapier. You'll need about a quarter less yarn than for a crocheted blanket of the same size.
• Crocheted blankets turn out firmer and a little thicker. Many people make faster progress with a hook, and mistakes are easy to rip out because only one stitch is ever live.

If you'd like to crochet your baby blanket, choose a dense stitch, such as single crochet or half double crochet worked in rows. Lace patterns and classic granny squares look pretty, but they have gaps that little fingers can get caught in. We show you how to crochet a blanket row by row in our guide How to Crochet a Blanket for Beginners.

Safety: what to keep in mind with a baby blanket

To keep the blanket safe for everyday use, keep these points in mind:

• Sleeping in the crib: for sleep in the crib during the first year, pediatricians recommend a baby sleeping bag instead of a blanket. The knitted blanket is meant for the stroller, the car seat, the crawling stage and supervised snuggling. Make sure your baby's face stays uncovered.
• Car seat: only place the blanket over your baby once they're buckled in, never under the straps – otherwise the straps won't be tight enough.
• No small parts: skip long fringe, pom-poms, buttons and sewn-on appliqués. Anything that could come loose or wrap around little fingers doesn't belong on the blanket.
• No large holes: choose a dense stitch pattern so fingers and toes can't get caught.
• Weave in the ends securely: weave in every yarn end for at least 5 cm, changing direction once or twice as you go.
• Wash before first use: this relaxes the stitches and rinses out any fiber residue from processing.

Washing and caring for a baby blanket

To be completely upfront: all our yarns should be hand washed at 30 °C, including our baby yarns. For a blanket, that's less work than it sounds, because wool and alpaca rarely need washing. Often it's enough to air the blanket outside. Dab small stains with lukewarm water.

When it does need a wash, here's how:

1. Fill a basin with lukewarm water, no warmer than 30 °C, and add a little wool detergent.
2. Submerge the blanket, gently press rather than rub, and rinse in water of the same temperature.
3. Gently press out the water without wringing, and roll the blanket in a large towel.
4. Let it dry flat, easing it into shape as you go. Don't put it in the dryer.

If the blanket needs to go in the washing machine often, for example as an everyday play mat, choose a yarn that's specifically labeled as machine washable. You'll find detailed tips in our guide How to Wash Wool.

Pattern: knitting a baby blanket in seed stitch with a garter border

This stroller blanket is suitable for beginners too: all you need are knit and purl stitches, nothing curls, and both sides look the same.

Size: approx. 70 × 90 cm
Yarn: 4 balls of Baby Wool Fantasie with Baby Alpaca in beige (180 m / 100 g each), plus 1 extra ball as a reserve
Needle: 5 mm circular needle, 80 cm long. You use it to knit back and forth in rows, and the weight of the blanket rests on the cable instead of your wrists.
Notions: tapestry needle with a blunt tip, scissors, tape measure
Gauge (example): 17 sts in seed stitch = 10 cm on needle size 5 mm
Abbreviations: st(s) = stitch(es), k = knit, p = purl

1. Knit a gauge swatch

Cast on 25 sts and knit about 12 cm in seed stitch: on every row, *k1, p1*, repeat from * and end with k1. Wash the swatch, let it dry and count the stitches over 10 cm. If your gauge is different, calculate: width in cm × stitches per cm, rounded to an odd number. At 18 sts per 10 cm, that would be 70 × 1.8 = 126, so 125 or 127 sts.

2. Cast on and work the bottom garter border

Cast on 119 sts using the long-tail cast-on (7 × 17 sts = 119 sts). Knit 10 rows, knitting every stitch on every row. This creates 5 garter ridges, about 3 cm high.

3. Seed stitch with garter side borders

From now on, work every row the same way, back and forth:

k6, *k1, p1*, 53 times in total, k1, k6.

The 6 sts at each edge form the garter side border, and the 107 sts in between form the seed stitch. Because 107 is an odd number, the pattern begins and ends with a knit stitch on every row. On the wrong-side row, this means you automatically knit every stitch that looks like a purl stitch to you and purl every stitch that looks like a knit stitch – which creates the little "seeds". If you're unsure, that's exactly what to check.

4. Knit to the desired length

Repeat the pattern row until the blanket measures about 87 cm from the cast-on edge. Lay it flat on a table to measure, without stretching it. Join a new ball at the beginning of a row so you can later weave in the ends invisibly in the garter border.

5. Top garter border and binding off

Knit 10 more rows. Then bind off all stitches loosely knitwise. If you tend to knit tightly, use a 5.5 mm needle to bind off so the edge doesn't pull in.

6. Finishing

Carefully weave in all the ends in the garter border. Then hand wash the blanket at 30 °C, press out the water in a towel and let it dry flat, gently easing it into shape to 70 × 90 cm.

Variations: newborn blanket, play mat and crocheted baby blanket

• Newborn blanket for the car seat (70 × 70 cm): cast on 119 sts as well, but work the seed stitch only up to 67 cm from the cast-on edge. You'll need 3 balls plus 1 extra ball as a reserve.
• Play mat (100 × 100 cm): at 17 sts per 10 cm, cast on 171 sts (6 + 159 + 6) and work the seed stitch up to 97 cm from the cast-on edge. Plan on 6 balls plus 1 extra ball as a reserve.
• With a different yarn: this pattern works with any yarn in this article. For Soft Wool Belanca in light mint on needle size 4.5 mm, recalculate the cast-on based on your gauge – at 20 sts per 10 cm, for example, that's 141 sts.
• With cables: Fluffy Yarn Alina in white is a great choice for this. Cables use considerably more yarn, so plan on 5–6 balls for 70 × 90 cm, including the reserve.
• Crocheted: with Virgin Wool Aira in powder pink and a 4.5 mm hook, work half double crochet in rows. For 70 × 90 cm, you'll need 4–5 balls according to the table.

Examples for inspiration

Here's what baby blankets can look like – in colors that are also available in our yarns.

Note: The images in this section are AI-generated examples for inspiration.

Frequently asked questions about baby blankets

How much yarn do I need for a baby blanket?
For a 70 × 90 cm stroller blanket, you'll need about 3–4 balls of 100 g each if you knit it, or 4–5 balls if you crochet it. Plan on 1 extra ball as a reserve.

What size is a baby blanket?
Common sizes are 70 × 70 cm for the car seat, 70 × 90 cm for the stroller and 100 × 100 cm for a play mat. A kids' blanket measures about 100 × 135 cm.

What needle size do I need for a baby blanket?
That depends on the yarn. For medium-weight baby yarn with 180–220 m per 100 g, needle size 4–5 mm works well. You'll find the exact size in the product description.

Is alpaca wool suitable for babies?
Yes, baby alpaca is especially soft and warm, which makes it a popular baby yarn. Blended with wool and a little polyamide, the blanket holds its shape better.

Can my baby sleep under a knitted blanket?
For sleep in the crib during the first year, pediatricians recommend a baby sleeping bag instead of a blanket. Use the knitted blanket in the stroller, in the car seat and for supervised snuggling.

Can I machine wash a wool baby blanket?
Our yarns should be hand washed at 30 °C. Because wool and alpaca rarely need washing, airing the blanket is often enough. If it needs to go in the machine often, choose a yarn that's specifically labeled as machine washable.

We ship your baby yarn from Görlitz – with free shipping within Germany and no minimum order. Enjoy your baby project!