Seeds not sprouting? They might need cold stratification. Some perennial, native, and wildflower seeds require a chilling period before they'll germinate. Learn what stratification is, which seeds need it, and how Fennel Seeds Organic, Heirloom, Open Pollinated, Non GMO Grow Indoors, Outdoors, in Pots, Grow Beds, Soil, Hydroponics & Aquaponics Etsy Months of waiting and THIS happened! ZZ propagation success. Starting Seeds Indoors Gulley Greenhouse