HOW TO GROW MULLEIN, GREEK
Direct sow in the Fall 30-45 days before last frost. Likes disturbed soil, seeds are long-lived. Seeds require lit open ground to germinate. Drought tolerant, self-seeds. Seeds require light to germinate, press into soil, do not cover. Soil pH 6.6-8.5. Hardiness zones 4-10. Biennial.
Planting Depth surface requires light
Soil Temp. Germ. 50-85˚F
Days to Germ. 12-15
Plant Spacing 24”
Row Spacing 4-5’
Days To Maturity 85-125
Full Sun, Moist Well Drained