Woollens are living fibres. They breathe, they felt, they hold the memory of every wear. When the warmer months arrive, your hand-knitted jumpers, naturally dyed scarves and hand-sewn linings deserve more than a hurried shove into a cupboard. Moths are most active from late spring to early autumn, and a single overlooked stain or damp patch can turn a treasured piece into a lacy disappointment. The good news is that slow textile crafts teach us patience, and that same patience pays off in storage. A little preparation now means your woollens will emerge in autumn ready to wear, not ready to repair.
Moth larvae feed on protein fibres, but they are not attracted to wool alone. They are drawn to perspiration, skin cells, food spills and the lingering oils from your hands. Even a garment that looks clean may carry enough residue to invite trouble. So wash every woollen item before it goes away, even if you only wore it once.
For naturally dyed pieces, test for colourfastness first. Dip a hidden corner in cool water with a pH-neutral wool wash, then blot with a white cloth. If dye transfers, hand wash separately and accept that some bleeding is normal. Use cool water, minimal agitation, and never wring. Press the water out between two towels, then dry flat away from direct sunlight. Ensure the item is bone dry — any lingering damp is a gift to mildew. Mend small holes and loose seams before storage, too. A moth hole is an open door.
Once clean and dry, woollens need to breathe. Cotton is your friend. Old pillowcases, drawstring bags made from calico or muslin, or simple cotton laundry bags all work beautifully. For small studios, sewing a set of storage bags from leftover natural-dye fabric is a satisfying slow craft in itself. Leave a little room in each bag; don't compress the fibres. Fold garments rather than hanging them, as hanging can stretch shoulders and distort hand-knitted shapes. Place a layer of acid-free tissue paper between folds if you are storing delicate embroidery or hand-sewn appliqué.
Plastic storage bins feel safe, but they are a poor choice for woollens. They trap moisture, and even a tiny amount of residual damp creates a humid microclimate. That encourages mould, mildew and that faint musty smell that never quite leaves. Worse, if a moth does get inside, a sealed bin becomes a nursery. The larvae have no predators, no drafts, and an endless supply of wool. Plastic also restricts airflow, so natural dyes may shift or fade unevenly. If you must use a plastic container, only do so for short-term transport, and ensure the contents are absolutely dry. For long summer storage, breathable beats sealed every time.
Cedar blocks are a traditional and effective deterrent. Their scent fades over time, so sand the surface lightly every few months to refresh the oils. Tuck blocks into cotton bags, between folded layers, and at the corners of storage boxes. Lavender sachets are another lovely option, especially if you grow your own. But be careful: essential oils can stain natural dyes, so wrap sachets in a scrap of cotton or linen before placing them near your woollens. Rosemary, mint and cloves also deter moths, though none of these will kill eggs or larvae already present. Think of them as gentle companions, not a cure. Avoid mothballs entirely — they are toxic, overpowering, and unnecessary in a well-kept studio.
Small studios often hold work in progress, samples and finished pieces side by side. A simple routine keeps everything safe. Label each bag or box with the fibre content, dye source, and the date it went into storage. Store in a cool, dark, dry place — a cupboard in a living space is usually better than a loft or cellar, where temperatures swing. Check your stored woollens every four to six weeks. Unfold them, inspect seams and folds, and let them breathe for an hour. If you spot a moth or a telltale hole, isolate the item immediately. Freeze it in a sealed bag for seventy-two hours, thaw completely, then freeze again for another seventy-two hours. This kills eggs and larvae without chemicals. Vacuum the storage area, wash the cotton bags, and refresh your cedar. With a little attention, your hand-dyed, hand-sewn woollens will wait patiently for the cool days ahead.
The Indigo Garret shares practical, down-to-earth guidance on natural dyeing, hand sewing and slow textile crafts for small studios for readers across the UK.
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