Officially known as Brassica nigra, black mustard pops up in springtime and can grow as tall as 8 feet. The seeds are usually dark brown or almost black., Theyre spicy and crunchy with a kick that White Leaf Spot Brassicas OSR Planting sprouted peach pit question General Fruit Growing Growing Fruit 27,300+ Beautiful Poisonous Flowers Pictures Stock Photos, Pictures & Royalty Free Images iStock Antoine Moses (@antomosplant) Instagram photos and videos Beautiful flowers to plants in your garden