Start indoors 4-6 weeks before last frost, plant out 3–4 weeks before frost. Do not sow in soil temperatures above 68˚F, does not like heat, seeds will go dormant. In northern latitudes can be grown year round in open field, cold greenhouse. In southern climates, mache is adapted to open field winter production. Harvest whole when the plant has 3 or 4 pairs of leaves. Can be cropped all year from successive sowings. Soil pH 5.6-7.5. Hardiness zones 5. Annual.
Usual seed life 4–5 years.
Planting Depth
1/4-1/2”Soil Temp. Germ.
41-68˚FDays to Germ.
10-14Plant Spacing
3-6”Row Spacing
12”Days To Maturity
50-60Part Shade,
Moist Well Drained