How to Grow Black Seed Plant for Its Valuable Little Seeds

You may have heard about the many health benefits of black seed also known as black cumin or Nigella sativa. This ancient medicinal spice has been used for centuries in places like the Middle East Africa, and Asia. But did you know you can easily grow black seed in your own garden?

With just a little effort, you can cultivate this unique plant and enjoy a ready supply of the nutritious, flavorful seeds. In this article, we’ll look at how to successfully grow black seed plant from seed to harvest

About Black Seed Plants

Black seed comes from an annual flowering plant in the Ranunculaceae family. It grows 1-2 feet tall and has delicate finely divided foliage.

The flowers have 5-10 petals and come in white, yellow, pink, pale blue, and pale purple hues. As the flowers fade, they produce seed capsules filled with dozens of tiny, dark black seeds.

This plant is native to southwest Asia and parts of the Mediterranean. It prefers hot, dry climates and doesn’t tolerate frost or damp conditions well.

The small black seeds have a slightly bitter, pungent flavor. They can be used whole or ground to make oil, spice blends, bread, and more. Nutritionally, they provide healthy fats, antioxidants, vitamins, and minerals.

Growing Black Seed from Seed

Black seed is commonly grown from seed. Here are some tips for success:

  • Start indoors – The seeds need heat to germinate, so it’s best to start them indoors 6-8 weeks before your last spring frost date.

  • Plant in cells – Sow 2-3 seeds per cell in seed starting trays filled with seed starting mix. Cover lightly with 1⁄4 inch of soil.

  • Grow on at 65-70°F – Keep the seedlings warm and moist until sprouted, around 5-12 days. Thin to one plant per cell.

  • Harden off – Gradually expose seedlings to outdoor conditions over 7-10 days before transplanting.

  • Transplant after frost – Move seedlings into the garden after all danger of frost has passed. Space plants 12-18 inches apart.

  • Grow in full sun – Black seed thrives in a sunny spot with at least 8 hours of direct sun daily.

  • Well-draining soil – Black seed prefers light, sandy soil. Improve drainage in heavy clay soils before planting.

With this process, you can grow enough black seed plants for a small harvest! For a steady supply though, keep reading.

Growing Black Seed from Cuttings

Black seed can also propagate from stem cuttings. Taking cuttings from an existing plant is faster than growing from seed. Follow these steps:

  • Take 6-8 inch cuttings – Use a sharp knife or pruners to take 6-8 inch stem tip cuttings from an established plant in spring. Cut just below a node.

  • Dip cuttings in rooting hormone – Dip the fresh cut end in rooting hormone powder to encourage new root growth.

  • Plant in sterile media – Stick cuttings 2-3 inches deep in sterile potting mix or vermiculite.

  • Cover and provide heat – Cover cuttings and keep them warm (65-70°F) until new growth emerges in 2-3 weeks.

  • Transplant – Once rooted, transplant the new black seed plants into the garden. Water well until established.

Using this method, you can multiply your black seed crop exponentially!

Caring for Black Seed Plants

Black seed is easy to grow, but it does have a few requirements:

  • Full sun – Black seed needs at least 8 hours of direct sunlight per day. More is better.

  • Well-draining soil – Black seed won’t tolerate wet, compacted soil. Improve drainage if needed.

  • Moderate water – Water 1-2 times per week so the soil is moist but not soggy. Reduce watering once plants are established.

  • Heat – These plants thrive in hot weather. Temperatures above 85°F are ideal. They can’t tolerate frost.

  • Light fertilizer – Apply a balanced organic fertilizer or compost tea every 2-3 weeks during the growing season.

  • Pinch flowers – Pinch off flowers to encourage more seed production. Stop pinching in mid summer so plants can set seed.

Follow these simple tips and your black seed plants are sure to prosper!

Harvesting Black Seeds

You’ll know your black seed plants are ready for harvest when the seed heads turn yellowish and dry out. To collect the seeds:

  • Stop watering – Discontinue watering the plants as the seed heads start to mature. This allows them to fully dry out.

  • Monitor seed heads – Watch for seed capsules to turn yellowish and dry. Seeds should feel hard when pinched.

  • Cut seed heads – Use clippers or pruners to snip off entire dried seed heads. Place in paper bags.

  • Further dry indoors – Hang seed heads upside down indoors for 1-2 weeks so seeds fully dry. Place paper under to catch falling seeds.

  • Remove seeds – Rub heads between your hands to separate seeds. Discard chaff. Store seeds in jars in a cool, dark place.

  • Save some seeds! – Set aside a portion of your harvested seeds to plant next year’s black seed crop!

With proper growing conditions and care, a 10-15 square foot patch can produce around 1⁄4 pound of these medicinal seeds. Just imagine the supply you could grow with a larger garden plot!

Enjoy Your Black Seed Harvest

Now that you know how to successfully grow black seed plant, you can enjoy fresh, homegrown black seeds every year. These nutrient-packed seeds offer a multitude of ways to improve your health and flavor your food:

  • Add seeds to bread, muffin, and cake batters
  • Sprinkle on yogurt, oatmeal, salads, veggies, pasta, etc.
  • Grind into a spice to season meat, stews, curries, rice dishes
  • Infuse in oil for homemade dressings, dips, marinades, etc.
  • Brew seeds into tea or add to coffee, smoothies, milk, etc.
  • Take straight by the spoonful for immune and digestion benefits

With your own steady supply, there are endless culinary and medicinal applications for black seeds! Growing this ancient healing food is deeply satisfying. Enjoy the fruits of your cultivation journey.

How to Grow Black Seeds (Kalonji Plant) Nigella Sativa Black Cumin – Sprouting Seeds

FAQ

How long do black seeds take to grow?

Black Cumin seeds typically take anywhere between 7 to 14 days to successfully germinate. The plants can grow to a mature height of roughly 8 to 12 inches tall, and are popularly grown in pots and containers as well.

Can I sprout black seed?

Usually within 9 – 14 days Black Caraway (Black Cumin) seed has sprouted (germinated). The time needed for each Black Caraway (Black Cumin) seed to germinate is indeed not uniform, because it depends on the quality of each seed, as well as the environment / conditions around each seed.

Where is the best black seed grown?

No matter the name, these seeds are highly regarded around the world. They’ve been used for hundreds of years throughout Asia, Africa, the Middle East and Eastern Europe. Our Black Seeds are certified Organic and non-GMO. These high quality seeds are grown in only two places in the world – India and Egypt.

How do you grow black cumin seeds indoors?

To grow them indoors, you will need a pot with drainage holes, potting soil, black cumin seeds, and water. Fill the pot with potting soil and sow the seeds about 1 inch apart. Cover the seeds with a thin layer of soil and water them well. Place the pot in a sunny spot and keep the soil moist. The seeds will germinate in about 2 weeks.

Is black cumin the same as black seed?

Another plant, N. sativa, is also often referred to as black cumin or black seed. This plant is completely unrelated, and from a different plant family altogether. It has a bitter, pungent flavor. Similarly to C. cyminum, it is used as a culinary spice in Indian and Middle Eastern cuisine. If you are curious, you can find seeds at Eden Brothers.

How far apart should black cumin seeds be planted?

Sow the seeds 1/2 inch deep and 6 inches apart. Keep the seedlings moist until they are established. Black cumin seedlings will take 2-3 weeks to germinate. Once the seedlings have emerged, you can thin them to 12 inches apart. Black cumin plants are relatively easy to care for.

How long does black cumin take to grow?

A: Black cumin seeds will germinate in about 2 weeks. The seedlings will grow to about 4 inches tall in about 6 weeks. The plants will bloom in about 8 weeks and the seeds will be ready to harvest in about 10 weeks.

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