Linen vs Cotton Yarn

The comparison

The difference comes from fiber length

Almost everything in that table follows from one structural fact. Linen is a bast fiber taken from the stem of the flax plant, and the fibers are long - in wet-spun long-line linen such as Euroflax, they are not cut at all. Cotton is a seed fiber and the individual fibers are short, typically under two inches.

Long fibers make a strong, smooth yarn with very few fiber ends poking out of it. Short fibers make a softer, fuzzier yarn with a great many ends - which is why cotton feels nicer immediately and why it is the one that eventually gets fuzzy.

Linen softens; that is the whole pitch

A new linen garment feels stiff, and people who have not used it before frequently conclude the yarn is unpleasant. It is not - it is unfinished.

Linen fibers soften mechanically as they are flexed, so every wash and every wearing makes the fabric more supple. A linen top is at its worst the day you finish it and at its best after several years. That is a genuinely unusual property; almost every other textile degrades with use.

The practical consequence for a knitter or crocheter: block it, wash it, and judge it after the second wash rather than off the needles.

Where linen wins

• Summer garments. Breathable, absorbent, and it hangs beautifully as it relaxes.
• Market bags and totes. Strongest common plant fiber, and stronger wet - see best yarn for a market bag.
• Dish towels. Linen dries faster than cotton and lints less.
• Anything with drape. Linen falls in soft folds where cotton sits heavily.
• Things you want to keep for decades. It genuinely outlasts cotton.

Where cotton wins

• Dishcloths and washcloths. Cotton is more absorbent per gram and more scrubby - see best yarn for dishcloths.
• First projects. Cheap, forgiving of a mistake, available everywhere.
• Amigurumi. Crisp stitch definition, and cotton's slight fuzz helps hide a join.
• Anything on a budget. Cotton costs a fraction as much per yard.
• Colorwork and bright shades. Mercerized cotton holds saturated dye better than linen.

Both share the same weakness

Neither has any elasticity. There is no crimp in a plant fiber, so a stretched stitch stays stretched, ribbing does not grip and a heavy garment lengthens under its own weight.

The mitigation is the same for both: work at a firmer gauge than the band suggests, choose patterns that do not depend on ribbing to fit, and dry flat rather than hanging. Cotton yarn pros and cons covers this in full and every word applies to linen.

Working with linen, practically

1. Expect it to fight you for an hour. Wet-spun linen is wiry off the ball. Your hands adjust.
2. Use a smooth metal needle or hook. Linen is inelastic and grabby - the same argument as best needles for cotton yarn.
3. Wind it into a cake. Linen sold in hanks is stiff enough that winding it is genuinely easier than working from the hank. See best yarn swifts.
4. Wash the swatch, twice. Linen changes more between the first and second wash than most fibers do. Measure gauge after.
5. Do not judge the fabric until it is washed. Off the needles, linen looks like a mistake.

Blends, which are common and sensible

Linen-cotton and linen-viscose blends exist in quantity, and they are a reasonable answer to linen's two problems - price and initial stiffness.

As with every blend, read the percentages rather than the name. A yarn that is 15 percent linen behaves essentially like the majority fiber; at 50 percent you get a genuine midpoint. The same arithmetic applies as in wool-acrylic blends.