How to Store Woollens and Prevent Moth Damage

QUICK ANSWER

Clean every piece before storing it, because moth larvae feed on body oils and residue. Fold it, keep it in a breathable cotton bag with cedar or lavender, and store it in a cool, dry, dark place. Check it every few weeks and never use airtight plastic for long periods.

Learning how to store woollens and prevent moth damage is one of the most valuable things you can do for your wardrobe. Most cashmere, merino and wool pieces are not destroyed by wear or washing. They are destroyed in a cupboard, quietly, by clothes moths, damp and dust. A shawl that goes into storage perfect in spring can emerge in autumn with a scatter of tiny holes, and by then the damage cannot be reversed.

The good news is that moth damage is almost entirely preventable. It takes a few simple habits: clean everything before storing, use breathable covers, keep the storage area cool, dry and dark, use natural deterrents, and inspect regularly. This guide explains why moths target woollens, how to store each kind of piece, what really works against moths, what to do if you find an infestation and how to keep everything fresh from one winter to the next.

Why Moths Attack Woollens

Clothes moths are small, buff-coloured insects, and they are often blamed for holes when it is actually their larvae that do the harm. The adult moths do not eat fabric. They lay eggs, and the larvae that hatch feed on keratin, the protein in wool, cashmere, silk, fur and feathers. That is why natural animal fibres are vulnerable and synthetics are much less so.

Larvae are particularly attracted to fabric that is soiled with sweat, food, skin oils or perfume. A garment that looks clean can still carry enough residue to invite them. They prefer dark, undisturbed, warm places, which makes a closed wardrobe or a drawer of stored knitwear ideal.

This is the central point: cleanliness and disturbance are your best defences. A clean, aired, regularly inspected piece in a well-ventilated space is far less likely to be attacked.

Step 1: Clean Everything Before Storing

Never store a piece you have worn without cleaning it first, however fresh it appears. Perspiration, skin cells and food particles are exactly what larvae feed on.

Follow the care label. For shawls and wraps from VANYRA ATELIER, that means dry cleaning, and our guide on how to care for cashmere explains the full routine. For merino items, see caring for merino wool at home.

Make sure each piece is completely dry before it goes into storage. Damp promotes mould and mildew as well as moths.

Step 2: Remove Dry Cleaning Plastic

The plastic covers that dry cleaners provide are meant for transport, not storage. They trap moisture and prevent air circulation, which can cause mildew, yellowing and a stale smell. Take them off as soon as you get home.

Step 3: Choose Breathable Storage

The ideal container lets air move while keeping dust and insects out.

Cotton or linen garment bags and pillowcases are excellent for long-term storage.
Acid-free tissue paper wrapped around folded pieces protects against creasing and acid damage.
Sealed, rigid boxes with tight lids can work if you are certain the contents are clean, dry and moth-free, and if you include a natural deterrent.
Avoid loose, open shelves in bright rooms, as light fades colours over time.
Avoid airtight plastic bags for long periods, since trapped moisture can cause damage.

Some people use vacuum bags to save space. These compress the fibres and can flatten cashmere, reducing its loft, so use them only for bulky items you can accept flattening, and not for delicate shawls.

Step 4: Fold Correctly

Fold pieces rather than hanging them. Hanging distorts shoulders and stretches the fabric.

Fold sweaters in thirds with the sleeves folded back.
Fold shawls and wraps in soft thirds, or roll them loosely.
Place a layer of acid-free tissue in the folds to prevent sharp creases.
Do not stack heavy items on top of delicate ones.
Refold along different lines once or twice during storage to avoid permanent creases.

Step 5: Choose the Right Place

The best location is cool, dry, dark and well ventilated.

Avoid damp rooms such as bathrooms, basements and walls that sweat in monsoon season.
Avoid direct sunlight, which fades dyes and weakens fibres.
Avoid heat sources such as radiators.
Use raised shelves away from the floor where damp can collect.
Keep the area clean. Vacuum shelves and cupboards regularly, particularly corners, where lint and hair accumulate.

In humid climates or during monsoon, extra care is important. Damp air encourages mildew and creates ideal conditions for larvae. Consider using silica gel packets or a dehumidifier in enclosed storage, and air your cupboards on dry days.

Step 6: Use Natural Deterrents

Several traditional deterrents help, though none replaces cleanliness.

Cedar blocks or balls. Cedar's scent deters moths. Lightly sand the surface once a season to refresh the aroma.
Lavender sachets. Dried lavender is a pleasant, traditional deterrent.
Neem leaves or neem products. Neem has a long history of use in Indian households for protecting stored textiles.
Cloves, rosemary and other herbs. Some people place small sachets among their clothes.

Keep in mind that scents fade. Renew them every few months, and do not rely on them to protect a piece that was stored dirty. Keep essential oils off the fabric itself, as they can stain.

You may also see mothballs recommended. Traditional mothballs contain chemicals with strong odours and health concerns, and the smell is difficult to remove from delicate fibres. Most people prefer natural deterrents and clean storage.

Step 7: Inspect Regularly

Even with good storage, check your woollens every few weeks to a couple of months.

Look for:

Tiny holes, especially in folds and hidden areas
Small silky webbing or cases on the fabric
Fine grainy droppings that look like sand
Adult moths fluttering in the cupboard

Air your pieces in a well-lit room, shake them gently and look closely. The disturbance itself discourages larvae.

What to Do if You Find Moths

If you find signs of an infestation, act quickly.

1. Isolate the affected items. Seal them in a bag immediately so larvae do not spread.
2. Check everything nearby. Moths spread to neighbouring garments, carpets and upholstery.
3. Clean the affected pieces. Dry cleaning or careful washing, as the label allows, kills larvae and removes eggs. Take badly affected pieces to a professional cleaner and explain the problem.
4. Freeze small items if suitable. Some people seal small pieces in a bag and freeze them for several days to kill larvae. Check that this is suitable for your fabric first, and let the piece return to room temperature slowly before opening the bag to avoid condensation.
5. Clean the storage area thoroughly. Vacuum shelves, corners and drawers, and wipe surfaces before returning anything.
6. Repair holes. Skilled repairers, known as invisible menders, can often reweave small holes in fine knitwear.

If the problem is persistent, especially with carpets or upholstery, professional pest control may be needed.

Storing Different Types of Pieces

Cashmere and merino sweaters

Clean, dry, folded in cotton bags with cedar or lavender. Do not hang.

Shawls and wraps

Folded softly in thirds with tissue paper, in a breathable bag. Avoid tight, compressing storage.

Silk

Store silk scarves and blouses away from direct light, folded loosely in acid-free tissue or hung on padded hangers if lightweight. Silk is also vulnerable to moths as a protein fibre. See silk origins and character.

Throws and cushions

Large items can be stored in cotton covers, or in a linen bag on a dry shelf. For soft furnishings that stay in use, vacuum and air them regularly.

Preparing Woollens Again at the End of Storage

When the cold returns:

Take pieces out and air them for several hours in a ventilated room away from direct sun.
Check for moth damage and any musty smell.
Steam lightly to release creases.
Give each piece a moment to recover before wearing.

A Seasonal Storage Checklist

Clean every piece and let it dry fully.
Remove dry cleaning plastic.
Fold neatly, with acid-free tissue in the folds.
Place in cotton or linen bags.
Add fresh cedar or lavender.
Store in a cool, dry, dark, ventilated place.
Inspect and refold every few weeks.
Air everything before wearing again.

Frequently Asked Questions

How do I stop moths eating my cashmere?

Clean pieces before storing, keep them in breathable covers in a cool, dry, dark place, use cedar or lavender, and inspect them regularly. Cleanliness matters most, because larvae feed on body oils and residue.

Do cedar blocks really work against moths?

Cedar's scent deters moths and is a useful part of a defence, but it is not a guarantee. It works best alongside clean storage and regular inspection, and it needs refreshing each season.

Should I hang or fold woollens for storage?

Fold. Hanging stretches the fabric, especially in heavier knits. Use soft folds and refold along different lines occasionally.

Are vacuum bags safe for cashmere?

Vacuum bags compress fibres and can flatten cashmere, so they are best avoided for delicate shawls and fine knits. Breathable cotton bags are better for long-term storage.

What does moth damage look like?

Small irregular holes, often in folds or hidden areas, sometimes with fine webbing or tiny grainy droppings nearby. Damage is caused by larvae, not adult moths.

Can moth holes be repaired?

Small holes can often be repaired by a skilled invisible mender, who reweaves the area. Large areas of damage are harder to fix.

Protect What You Love

Woollens repay careful storage many times over. A little preparation each spring saves the disappointment of finding holes in autumn. Explore the VANYRA ATELIER collection, and read our related guides on why cashmere pills and why natural fibres matter. If you have questions about looking after a piece, contact us.