Verbascum chaixii## HOW TO GROW NETTLE-LEAVED MULLEIN Cold stratify seeds 1 week before sowing. Start indoors 4-6 weeks before last frost, direct sow 2-4 weeks before last frost is still possible. Has long tap root, start in larger pots to avoid disturbing root. Seeds require light to germinate, press into soil, do not cover. Soil pH 6.1-7.5. Hardiness zones 4-9. Perennial.Usual seed life 4–5 years, up to 35 years.Planting Depth surface requires lightSoil Temp. Germ. 68˚F stratifyDays to Germ. 5-15Plant Spacing 18-24”Row Spacing 36-48”Days To Maturity 90-100Full Sun, Moist Well Drained ##Tall white or yellow flower columns, attractive to bees. Hardy perennial that will live long enough to form clumps. We recommend this one for perennial plantings, because it is one of the hardiest, most dependable, easy to grow flowers. Tags: Color: White, Heritage: Heirloom, Certification: Organic.Native to southern Europe.