Germination can be variable to low. Sow in fall in deep undivided flats, place flats on the north side of a building to let sit all winter to naturally break dormancy. Plant out after last frost when two to three sets of true leaves appear. Easy to grow, does well in the Pacific Northwest once established. If in a favorable growing climate, it will self-seed in your farm and garden. Cut seeds heads if you do not want it to spread. Soil pH 6.1-7.5. Hardiness zones 6-11. Perennial.
Germination in optimal conditions: 60-70%. Usual seed life: 3-4 years.
Planting Depth
3/4-1”Soil Temp. Germ.
65-70˚FDays to Germ.
20-30Plant Spacing
12–18”Row Spacing
2–3’Days To Maturity
1 yearPart Shade,
Moist Well Drained