How To Wash Wool Blanket

Knowing how to wash a wool blanket properly is essential for keeping it soft, warm, and in great shape for years. It might seem a bit daunting, but with the right steps, you can clean your blanket safely at home. This guide will walk you through everything from checking the care label to the final drying process, ensuring your cozy companion stays beautiful.

Wool is a natural fiber that requires gentle care. The good news is that most wool blankets, even those labeled “dry clean only,” can often be hand-washed safely if you’re careful. The key is to avoid agitation, extreme temperatures, and harsh chemicals. Let’s start with what you need to know before you even get it wet.

Understanding Your Wool Blanket First

Not all wool blankets are the same. A quick check before washing can prevent a lot of problems.

Read the Care Label: This is your most important step. Look for symbols or text that say “hand wash,” “machine washable wool,” or “dry clean only.”
Identify the Wool Type: Is it merino, cashmere, or a blend? Delicate wools like cashmere need extra gentleness.
Check for Damage: Look for loose threads, holes, or worn areas. Repair these before washing to prevent them from getting bigger.
Consider Age and Value: For very old or expensive heirloom blankets, professional cleaning might be the safest bet, even if the label says otherwise.

Gathering Your Washing Supplies

Having everything ready before you start makes the process smoother. You won’t have to search for things with wet hands.

Gentle Wool Detergent: Use a pH-neutral detergent specifically made for wool or delicates. Never use standard laundry detergent or bleach.
A Clean Tub or Basin: Your bathtub, a large plastic tub, or a spotless sink will work perfectly.
Cold to Lukewarm Water: Extreme heat is wool’s enemy. Aim for water that feels cool or slightly warm to your wrist.
White Vinegar (Optional): A cup of white vinegar can be used in the final rinse to help remove any soap residue and restore softness.
Clean, Absorbent Towels: You’ll need several large towels for rolling and pressing out water.
A Drying Rack or Flat Surface: You must dry wool flat to maintain its shape.

Step-by-Step: How to Hand Wash a Wool Blanket

Hand washing gives you the most control and is the recommended method for most wool blankets. Follow these steps carefully.

Step 1: Prepare the Wash Water

Fill your tub with cold or lukewarm water. Add the recommended amount of wool wash and swish it around with your hand to dissolve and distribute it completely before adding the blanket. You want the soap to be evenly mixed in.

Step 2: Submerge and Soak

Gently place the blanket into the water. Press it down softly until it’s fully submerged. Let it soak for 10 to 15 minutes. This allows the detergent to loosen dirt without harsh scrubbing. Do not agitate, twist, or rub the fabric.

Step 3: The Gentle Clean

After soaking, you can very gently press and squeeze the blanket with your hands to help release dirt. Move it around in the water softly. Focus on any areas that might be more soiled, like edges. Never lift a soaking wet blanket by one corner, as the weight of the water can stretch the fibers.

Step 4: Drain and Rinse

Drain the soapy water. Gently press the blanket against the side of the tub to remove some water. Then, refill the tub with clean, cold water of a similar temperature to the wash water. Submerge the blanket again and press softly to rinse. Repeat this rinse process 2-3 times until the water runs completely clear. For the final rinse, you can add 1 cup of white vinegar to the clean water for extra softness.

Step 5: Remove Excess Water

This step is crucial. Do not wring or twist the blanket. Instead, press it against the tub to push out water. Then, lay a large, clean towel on a flat surface. Place the wet blanket on top. Roll the towel and blanket together tightly, like a jelly roll. Press and stand on the roll to absorb massive amounts of moisture. You may need to repeat this with a second dry towel.

Can You Machine Wash a Wool Blanket?

Only if the care label explicitly says “machine washable.” Modern washing machines often have a specific “wool” or “hand wash” cycle that uses cold water and very slow agitation. If you’re machine is older, it’s safer to hand wash.

Use a front-loading machine if possible, as top-loaders with a central agitator can be too rough.
Always use the cold water setting and the gentlest cycle available.
Place the blanket in a large mesh laundry bag for extra protection.
Use only wool-specific detergent.
Never use the machine’s spin cycle on a high speed. A low-speed spin is okay, but air drying flat is still required after.

The Right Way to Dry Your Wool Blanket

Drying is just as important as washing. Heat and improper support can felt, shrink, or misshape your blanket.

Lay Flat to Dry

Find a large, flat, well-ventilated area. A drying rack, a clean floor over towels, or a spare bed works. Lay the blanket out in its natural shape. Gently smooth it out, but don’t pull or stretch it. Reshape it as needed.

Ensure Good Airflow

Place it in a room with good air circulation, but not in direct sunlight or near a direct heat source like a radiator. Direct sun can fade colors, and heat can damage fibers. A fan on low in the room can help speed up drying safely.

Flip and Fluff

Halfway through drying, flip the blanket over to ensure both sides dry evenly. You can also gently fluff the nap or pile with your fingers as it dries to maintain its texture. Be patient; it can take 24 to 48 hours to dry completely.

Post-Wash Care and Storage

Once your blanket is completely dry, it’s ready for use or storage. A little extra care here keeps it fresh.

Give it a Shake: Go outside and give the blanket a good shake to restore loft and remove any loose lint.
Brush if Needed: For blankets with a longer nap, you can use a soft-bristled clothing brush to gently brush the surface in one direction.
Storage Tips: Store in a cool, dry place. Use a cotton storage bag or an old pillowcase—never plastic, which traps moisture. You can add cedar blocks or lavender sachets to deter moths, but avoid mothballs, which leave a harsh chemical smell.

Common Mistakes to Avoid

Avoiding these errors is the best way to prevent accidental felting or shrinkage.

Using Hot Water: Hot water causes wool fibers to swell and lock together (felting). Always use cold.
Agitation and Wringing: Rough handling mats the fibers. Be gentle and press, don’t twist.
Hanging to Dry: Hanging a wet wool blanket will cause it to stretch out of shape dramatically from the weight of the water.
Using a Clothes Dryer: The heat and tumbling of a dryer will absolutely felt and shrink wool. Never, ever put a wool blanket in the dryer.
Ignoring Stains: Treat stains immediately before washing. Blot, don’t rub, with a little wool detergent solution.

FAQ: Your Wool Washing Questions Answered

How often should I wash my wool blanket?
You don’t need to wash wool blankets frequently. Once or twice a season, or at the end of winter before storage, is usually sufficient. Air them out regularly between washes.

Can I wash a wool blanket that says “dry clean only”?
You can attempt a very careful hand wash, but there is always a risk. It’s often safer to follow the label or consult a professional cleaner experienced with wool, especially for valuable items. Test a small, inconspicuous area first if you decide to wash it.

What if my wool blanket shrinks after washing?
Unfortunately, permanent felting and shrinkage from improper washing is very difficult to reverse. You can try soaking it in a solution of lukewarm water and hair conditioner to relax the fibers, then gently stretching it back to shape while damp, but results are not guaranteed.

How do I get rid of moth smells from storage?
Air the blanket outside for a full day. If the smell persists, a careful wash with wool detergent and a vinegar rinse should eliminate it. Ensure the blanket is completely dry before storing it again with fresh cedar blocks.

Is it okay to use fabric softener on wool?
No, you should not use liquid fabric softener or dryer sheets on wool. They can coat the fibers, reducing their natural breathability and moisture-wicking properties. A vinegar rinse is a natural, safe alternative for softness.

Can I iron a wool blanket?
It’s not usually necessary if you dry it flat. If you must remove wrinkles, use a steam iron on the lowest wool setting. Never let the iron touch the fabric directly; always use a pressing cloth or steam it while holding the iron several inches above the blanket.

Washing a wool blanket is an act of care that extends it’s life and comfort. By taking your time, using the right products, and avoiding heat and agitation, you can keep your blanket looking and feeling wonderful for many cozy seasons to come. Remember, when in doubt, gentleness is always the best approach with wool.