How to Germinate Black Root (Scorzonera) Seeds

Germinating Black Root (Scorzonera hispanica) seeds, also known as black salsify or Spanish salsify, involves a few careful steps to ensure successful growth. Here is a step-by-step guide to help you get started:

Materials You’ll Need:

Steps:

  1. Timing:
    • Scorzonera seeds can be sown directly outdoors, but for indoor germination, start them 4-6 weeks before the last expected frost date in your area.
  2. Soil Preparation:
    • Use a well-draining seed-starting mix. Fill your seed-starting trays or pots with this mix and lightly water it to ensure it’s evenly moist but not waterlogged.
  3. Sowing the Seeds:
    • Plant the seeds about 1/2 inch deep in the soil. You can place 2-3 seeds per cell if using seed trays, to ensure at least one successful germination per cell. If planting directly in a larger pot, space the seeds about 1 inch apart.
  4. Watering:
    • After placing the seeds, lightly cover them with soil. Mist the top layer of soil with a water spray bottle to settle the seeds in place. Keep the soil consistently moist but not overly saturated throughout the germination period.
  5. Temperature and Light:
    • Place the seed trays or pots in a warm location with temperatures between 60-70°F (15-21°C). Scorzonera seeds require warmth to germinate, so using a heating mat can help maintain optimal temperatures.
    • Once the seeds germinate, ensure they receive plenty of light, ideally 12-16 hours of light per day. If natural light is insufficient, consider using grow lights.
  6. Covering:
    • To maintain humidity, cover the seed trays or pots with plastic wrap or a humidity dome. Remove the cover once the seeds begin to sprout to prevent mold and fungal growth.
  7. Germination Period:
    • Be patient, as Scorzonera seeds can take 10-20 days to germinate, sometimes longer. Monitor the moisture level and temperature regularly.
  8. Thinning:
    • Once the seedlings have grown their first true leaves and are about 1-2 inches tall, thin them out by removing the weaker seedlings. If you planted multiple seeds per cell, keep the strongest one.
  9. Transplanting:
    • When the seedlings are about 4-6 weeks old and the danger of frost has passed, you can transplant them to the garden. Choose a sunny location with well-draining, loose soil. Space the seedlings about 12 inches apart to allow room for root growth.
  10. Ongoing Care:
    • Keep the soil consistently moist, especially during dry periods. Mulch around the plants to help retain moisture and suppress weeds. As the plants grow, thin them as needed to prevent overcrowding.

By following these steps, you should have a good start on germinating and growing healthy Black Root (Scorzonera) plants. Good luck with your gardening!