From Field to Fiber: How and When Flax Is Harvested
Linen has been woven into human history for thousands of years — and for good reason. It’s strong, breathable, and grows from one of the most sustainable crops on earth: flax. But before linen becomes the fabric you love, it starts with a carefully timed harvest in the field.
The Flax Plant: A Brief Overview
Flax (Linum usitatissimum) is a slender, fast-growing plant that reaches about 80–120 cm in height. It blooms with delicate blue flowers for just a single day before the petals fall — a fleeting beauty that signals the plant is maturing. The stems are what matter most for linen production: long, straight, and packed with bast fibers.
When Is Flax Harvested?
Timing is everything. Flax for fiber is harvested at a very specific stage called early yellow ripeness — not when the plant is fully mature, but just before it reaches full seed maturity. At this point: the lower two-thirds of the stem have turned yellow, the seed capsules (bolls) are green to yellow-green, and the seeds inside are beginning to harden.
This window typically falls 90 to 100 days after sowing, usually in late July to early August in Ukraine and other European growing regions.
Harvesting too early yields weak, underdeveloped fibers. Harvesting too late causes the stems to become brittle and the fibers to coarsen — reducing the quality of the final linen.
How Is Flax Harvested?
Unlike most crops, flax is not cut — it is pulled from the ground by the roots. This technique preserves the full length of the fiber, which is essential for producing fine, long-staple linen yarn.
The Steps:
1. Pulling
Flax is pulled by hand or by specialized harvesting machines that grip the stalks near the base and uproot them whole. Keeping the roots intact maximizes fiber length.
2. Rippling
The seed heads are combed off the stalks using a rippling comb or machine. The seeds are saved for oil production or next season’s sowing — nothing goes to waste.
3. Retting
The pulled stalks are laid out in the field in long rows — called windrows — and left to ret: a natural process where dew, rain, and microorganisms break down the outer woody layer of the stem, loosening the fibers inside. This can take 3 to 6 weeks depending on weather conditions.
4. Drying and Turning
The windrows are turned periodically to ensure even retting and then left to dry completely before the next stage of processing.
5. Scutching and Hackling
Once dry, the retted stalks are broken and scutched to remove the woody core (called shive), then hackled to separate and align the long linen fibers — now ready to be spun into yarn.
From Harvest to Your Kitchen
At Kolo Pechi, we work with linen made following a tradition that has endured for ages. From field to kitchen — our aprons, towels, and bread bags are made to last, to soften with every wash, and to tell a story worth knowing.