- Known for its shape, the Red Giant Mustard has a wide and flat nearly purple leaf.
48 days. Non-GMO, Heirloom Organic Red Giant Mustard Herb Garden Seed from True Leaf Market. Brassica juncea. In general, mustard is an ideal garden plant to grow near herbs. As a leafy green that provides peppery and tangy flavor, Red Giant Mustard is a vegetable that is commonly grown for its culinary and herbal benefits. Organic Japanese mustard develops crimped burgundy-colored leaves variegated with bright-green, growing 10" long"making Organic Red Giant varieties perfect to mix in fresh salads, cook as savory greens or harvest its seeds to use as herbal remedies!