25 days to baby leaf harvest, 45 days to full maturity. Brassica juncea. Ruby Streak Mustard Seeds. Heirloom, Non-GMO, Open Pollinated. Annual. Arguably the most attractive of all baby leaf mustards, this variety adds delicate spice and colorful elegance to a salad plate. The stems are green with fine lacy leaves or "greens" of this plant vary in color. They can be dark green to maroon. Harvest at any stage from micro-size to full maturity. Approx 13,000 seeds / oz.