Yes, you can wash knitted blankets, but the method matters more than with other fabrics

Knitted blankets can be washed at home, but they need gentler treatment than machine-washable items because the yarn structure is looser and more prone to stretching, pilling, and felting. The fiber content — wool, cotton, acrylic, or a blend — determines which washing method works best and what temperature water to use. Hand washing is the safest route for most knitted blankets, though some acrylic or cotton blends can tolerate a gentle machine cycle if you follow specific steps.

The label on your blanket should tell you the fiber content and any care instructions the maker recommends. If the label is missing or unclear, the safest assumption is hand washing in cool water with a mild detergent designed for delicate fabrics.

Key Takeaways

  • Hand washing in cool water with a mild detergent is the safest method for most knitted blankets and takes about 30 minutes of active work.
  • Wool blankets can felt permanently if washed in hot water or agitated too much, so they require the gentlest handling and cool water only.
  • Acrylic and cotton-blend blankets are more durable and may tolerate a machine's gentle cycle, but hand washing still prevents stretching and pilling.
  • Lay the blanket flat to dry rather than hanging it, because wet knitted fabric stretches under its own weight and may not return to shape.
  • Detergents labeled for wool, delicates, or baby clothes work better than standard laundry detergent, which can be too harsh and leave residue.

Hand washing: the method that works for all knitted blankets

Fill a basin or sink with cool water — between 60 and 70 degrees Fahrenheit is ideal. Add a small amount of mild detergent; you need far less than you think, usually a teaspoon or two for a full-size blanket. Submerge the blanket and let it soak for 10 to 15 minutes without agitating. This allows the detergent to loosen dirt without the friction that causes pilling and stretching.

After soaking, gently squeeze the soapy water through the fabric with your hands. Do not wring, twist, or scrub. If the blanket is visibly soiled in spots, use your fingers to gently work the detergent into those areas. Drain the soapy water and refill the basin with cool, clean water. Squeeze the blanket gently in the rinse water several times — usually two to three rinses — until the water runs clear and you no longer smell detergent.

Lift the blanket carefully and support its weight as you move it. Wet knitted fabric is heavy and will stretch if you let it hang unsupported. Gently press out excess water by laying it on a clean towel and rolling the towel up with the blanket inside, then unrolling and repeating with a dry section of towel.

Machine washing for acrylic and cotton blends only

Acrylic and cotton-blend blankets are more forgiving than pure wool, but machine washing still carries risk. Use the gentle or delicate cycle with cool water and a mild detergent. Place the blanket in a mesh laundry bag to reduce agitation and friction against the drum. Wash alone or with only other soft items — do not mix with jeans, towels, or anything with a rough texture.

Do not use the spin cycle. Instead, stop the machine after the rinse and remove the blanket while it is still wet. Press out excess water gently by hand or with towels as described above. Wool blankets should never go in a machine, even on the gentlest setting, because the agitation and water temperature can cause felting — a permanent matting of the fibers that cannot be undone.

Drying without stretching or shrinking

Lay the blanket flat on a clean, dry surface to dry. A bed, a large table, or a clean floor all work. Smooth it gently into its original shape and dimensions while it is still damp. If you need to speed drying, place a fan nearby to circulate air, but do not point the fan directly at the blanket or use heat.

Do not hang the blanket to dry, even partially. The weight of the wet yarn will stretch it permanently, and you may end up with a blanket that is noticeably longer and narrower than it started. Drying flat takes longer — usually 24 to 48 hours depending on thickness and humidity — but it preserves the shape and size.

If the blanket is still damp after 24 hours, flip it over so the other side can dry. Once it is completely dry, you can fold and store it or return it to use.

Detergents and products to use and avoid

Use a detergent labeled for wool, delicates, baby clothes, or lingerie. Brands like Woolite, The Laundress, Dreft, and Ecos all work well. These detergents are formulated to be gentler on fibers and rinse out more completely than standard laundry detergent. Avoid regular laundry detergent, which contains enzymes and surfactants that can damage delicate fibers and leave a residue that makes the blanket feel stiff.

Do not use fabric softener or bleach. Fabric softener coats the fibers and can cause pilling and matting over time. Bleach will damage or discolor most yarns. If your blanket has stains, treat them before washing by gently dabbing the spot with cool water and a tiny amount of mild detergent, then rinsing with cool water.

How often to wash a knitted blanket

Knitted blankets do not need frequent washing. If you use the blanket regularly and it is exposed to dirt, sweat, or spills, washing every two to four months is reasonable. If the blanket is decorative or used occasionally, washing once or twice a year is enough. Frequent washing wears out fibers faster and increases the risk of pilling and stretching.

Between washes, you can refresh a blanket by laying it flat in fresh air and sunlight for a few hours, which naturally removes odors and dust. If you notice pilling, use a fabric comb or a specialized de-pilling tool to gently remove the small balls of fiber that form on the surface. Do not pull hard or use a razor blade, which can damage the underlying yarn.

Wool blankets need special care to prevent felting

Wool is the most delicate fiber and requires the most careful washing. Wool felts — the fibers mat together permanently — when exposed to heat, moisture, and agitation at the same time. This is why wool blankets must be washed in cool water only, never hot or even warm. The water temperature should feel cool to your hand.

Never use a washing machine for wool, even on the gentlest cycle, because the drum's motion combined with water can trigger felting. Hand washing is the only safe method. After washing, do not wring or squeeze hard. Press gently to remove water, and always dry flat. If a wool blanket does felt, it cannot be reversed, so taking time with the washing process is worth the effort.

Frequently Asked Questions

Can I use hot water to kill germs or bacteria?

Hot water will damage most knitted blankets, especially wool, which can felt. Cool water combined with a mild detergent removes dirt and odors effectively. If you are concerned about germs — for example, after illness — laying the blanket in direct sunlight for several hours is a natural antimicrobial step you can take before or after washing.

What should I do if my blanket shrinks after washing?

Shrinking is usually permanent, but you can try gently stretching the damp blanket back to its original size while it dries flat. Lay it out and smooth it carefully, measuring against the original dimensions if you know them. This works better for minor shrinkage than for severe cases. Prevention — using cool water and gentle handling — is more effective than trying to fix shrinkage afterward.

Is dry cleaning better than washing at home?

Professional dry cleaning can work for expensive or delicate wool blankets, but it is not necessary for most home blankets. Dry cleaning uses chemical solvents instead of water and is gentler in some ways, but it costs more and exposes the blanket to different risks. Hand washing at home with the right detergent is usually sufficient and less expensive.

Can I wash a blanket with beads, sequins, or other decorations?

Decorative elements can be damaged by water or detergent, and they may come loose during washing. If your blanket has beads, sequins, or embroidery, hand wash gently and avoid submerging the decorated areas if possible. Spot-clean those sections instead by dabbing with a damp cloth and mild detergent, then rinsing carefully.

How do I remove stubborn stains from a knitted blanket?

Treat stains before washing by dabbing the spot with cool water and a tiny amount of mild detergent. Let it sit for 10 to 15 minutes, then rinse gently with cool water. Avoid rubbing or scrubbing, which can push the stain deeper into the fibers. If the stain persists after washing, repeat the spot treatment rather than rewashing the entire blanket.