Brown Mustard (Brassica juncea) Vegetable Herb Seeds

Brown Mustard (Brassica juncea) is a vigorous cool-season plant valued for both its peppery leaves and strong-flavored seeds. This non-GMO variety grows quickly and performs well in garden beds, raised beds, and containers. With its versatility, Brown Mustard is an excellent choice for home gardeners who want reliable leafy greens and seed production from a single fast-growing plant.

Features

• Produces flavorful leaves and seeds
• Fast-growing Brassica variety
• Non-GMO and easy to cultivate
• Great for cool-season planting
• Suitable for containers, raised beds, and traditional gardens
• High-yield leafy growth with strong flavor
• Cold-tolerant and vigorous

Specifications

• Common Name: Brown Mustard
• Scientific Name: Brassica juncea
• Plant Type: Annual
• USDA Zones: 3–10
• Season: Best grown in spring and fall
• Height: 18–36 inches
• Leaf Type: Green, serrated, peppery-flavored leaves
• Bloom Color: Yellow (if allowed to flower)
• Heirloom: Yes
• GMO Status: Non-GMO
• Organic: Not certified organic
• Light Requirements: Full sun to partial shade
• Soil Preference: Moist, well-drained soil
• Water Needs: Moderate
• Growth Rate: Fast
• Days to Harvest:
• Leaves: 30–50 days
• Seeds: 90+ days
• Cold Tolerance: Good
• Heat Tolerance: Moderate; may bolt in heat
• Plant Spacing: 6–12 inches
• Seed Longevity: 2–3 years when stored in cool, dry conditions

Planting Guide 

• Sowing Method: Direct sow outdoors or start indoors.
• Seed Preparation: No pre-treatment needed.
• When to Plant:
• Early spring
• Late summer or fall for a second planting
• Sowing Depth: 1/4 inch.
• Germination Time: 5–10 days.
• Light Requirements: Full sun for strongest leaf growth.
• Soil Conditions: Moist, well-drained soil works best.
• Watering: Maintain even moisture for tender leaves.
• Maintenance:
• Harvest young leaves regularly
• Thin seedlings for stronger plants
• Allow plants to mature fully if collecting seeds