Barbarea vulg. Common winter-cress

Barbarea vulgaris, commonly known as Common Winter-cress or Yellow Rocket, is a hardy biennial or perennial plant that belongs to the mustard family. It's often grown as a leafy green vegetable and can be cultivated in gardens. Here's a guide on how to grow Barbarea vulgaris:

**1. Planting Time:**
- Barbarea vulgaris can be planted in the spring or fall, depending on your climate. For a spring crop, sow seeds directly in the garden when the soil can be worked, or start seeds indoors and transplant them later. For a fall crop, sow seeds in late summer.

**2. Location:**
- Choose a location with full sun to partial shade. Barbarea vulgaris is adaptable to various light conditions but generally prefers well-lit areas.

**3. Soil Preparation:**
- Prepare well-draining, fertile soil. Amend the soil with organic matter, such as compost, to improve fertility. Barbarea vulgaris prefers slightly acidic to neutral soil.

**4. Planting Seeds:**
- Sow the seeds directly on the soil surface or lightly press them into the soil. Space the seeds about 6-12 inches apart. Water the area well after planting.

**5. Watering:**
- Keep the soil consistently moist during the germination period and while the plants are establishing. Once established, Barbarea vulgaris is relatively drought-tolerant. Water when the top inch of soil feels dry.

**6. Mulching:**
- Apply a layer of mulch around the plants to help retain soil moisture, suppress weeds, and maintain a more even soil temperature.

**7. Fertilization:**
- Barbarea vulgaris doesn't require heavy fertilization. A balanced, all-purpose fertilizer applied at planting time or in early spring is usually sufficient.

**8. Companion Planting:**
- Consider planting Barbarea vulgaris near crops that benefit from its pest-repelling properties. It's known to deter certain pests, making it a useful companion plant.

**9. Harvesting:**
- Harvest leaves when they are young and tender. You can continuously harvest leaves throughout the growing season. Use them in salads, soups, or as cooked greens.

**10. Pests and Diseases:**
- Barbarea vulgaris is generally resistant to pests and diseases. However, keep an eye out for aphids or cabbage worms, common pests for mustard family plants. Treat any issues promptly with appropriate measures.

**11. Winter Care:**
- In areas with cold winters, Barbarea vulgaris may die back in winter and regrow in the following spring. Provide a layer of mulch to protect the roots during the winter.

**12. Self-Seeding:**
- Barbarea vulgaris is known to self-seed. Allow some plants to go to seed if you want a continuous supply of winter-cress in subsequent seasons.

By following these guidelines, you can successfully grow Barbarea vulgaris and enjoy its nutritious and flavorful leaves in your garden. Adjust your care routine based on your specific growing conditions.