Safe for cats? : r succulents Everything You Need to Know About Sunflower Seeds Ayoub's Dried Fruits & Nuts Self Watering Pots with Clear Insert for Root Monitoring 46 Inch 5 Pack Rareplantninja Best Types of Cactus Houseplants for Your Home Mother's Day Flower Pot Craft Miss Jacobs Miss Jacobs Little Learners Nigella is one of those flowers that actually prefers the cool soil of early spring. In Zone 6b, I start sowing my nigella seeds in late winter and continue sowing through early