Mache

Direct sow mache seeds 1/4 inch deep in late summer through early fall for winter and spring harvest, or in very early spring. Seeds germinate best in cool soil (50-60°F) and take 7-14 days. Scatter seeds thickly in wide rows or beds and thin to 3-4 inches apart. Mache does not transplant well and should be direct-sown.

Mache is a cool-season specialist that thrives at 40-60°F and bolts rapidly in temperatures above 70°F. It is remarkably cold-hardy and can survive down to 5°F under row covers or cold frames. Fall-sown mache overwinters as small rosettes and grows vigorously as spring arrives.

The tiny rosettes grow slowly, reaching harvest size in 45-60 days. Mache requires minimal care once established. Water lightly and avoid fertilizing, as slow growth produces the most concentrated, nutty flavor. In spring, harvest promptly before warming temperatures trigger rapid bolting. Mache self-sows readily if allowed to flower.

Mache (Valerianella locusta) is native to Europe, western Asia, and North Africa, where it has grown wild in cultivated fields and along roadsides since antiquity. For thousands of years it was not deliberately cultivated but rather foraged as a free winter green from cereal grain fields — hence its common name 'corn salad,' with 'corn' referring to grain crops in the old European sense rather than maize.

The earliest records of deliberate mache cultivation date to the late 1500s in France, where it became a staple of monastery gardens and eventually the royal kitchen gardens at Versailles under Louis XIV. The royal gardener La Quintinie championed it as a cold-hardy salad green that could be harvested when virtually nothing else grew. By the 18th century, mache was widely cultivated across France and Germany, valued for filling the hungry gap between the last autumn harvests and the first spring greens.

Today, France is by far the world's largest commercial producer of mache, centered in the Loire Valley around Nantes, where the mild maritime climate and sandy soils are ideal. The Nantes region produces over 80% of France's commercial mache crop. In Germany, it remains the most beloved winter salad green, appearing on tables from October through March. Mache was introduced to North America by European settlers but never achieved the same popularity, though it is experiencing a renaissance among specialty growers and farmers' market gardeners who value its exceptional cold hardiness and delicate flavor.

Mache grows in most well-drained soils with a pH of 6.0-7.0. It tolerates poor soil better than most salad greens and actually produces more flavorful leaves in lean conditions. Avoid heavy fertilization, which produces bland growth prone to disease. A light compost amendment is sufficient. Good drainage is essential for winter growing to prevent crown rot during wet, cold periods.

Harvest mache rosettes when leaves are 2-3 inches long, typically 45-60 days from sowing. Cut entire rosettes at the soil level or pull whole plants. Mache does not regrow after cutting. The small, round leaves bruise easily, so handle gently. Harvest in the morning when leaves are most turgid. Once plants begin to elongate and flower, flavor declines. Winter-harvested mache is especially sweet and nutty.

Store unwashed mache in a plastic bag in the refrigerator for 3-5 days. The delicate leaves wilt quickly, so use soon after harvest. Do not wash until ready to serve. Mache does not freeze or dry well. The best preservation strategy is to stagger plantings for continuous fresh harvest. In the garden, mache stores itself through winter under row covers, staying fresh for months.

Mache is the classic French winter salad green, traditionally served with beet salad and goat cheese. Its mild, nutty flavor pairs beautifully with walnut oil vinaigrette. Serve alone as a delicate salad or mix with other tender greens. Use as a bed for smoked salmon, poached eggs, or pan-seared duck. The small rosettes make an elegant garnish.