Licorice Plant Seeds:
Guide to Storing, Sowing and Germination

Licorice plants (Glycyrrhiza glabra) are perennial herbs known for their aromatic root, which is used in various culinary and medicinal applications. Growing licorice plants from seeds is an exciting endeavor that allows gardeners to cultivate this versatile herb in their own backyard. In this guide, we will explore the process of storing, sowing, and germinating licorice plant seeds to ensure successful growth and establishment.

Storing Licorice Plant Seeds

Before sowing licorice plant seeds, it is essential to properly store them to maintain their viability. Here are some steps to follow when storing licorice plant seeds:

1. Harvesting Seeds: Wait until the seed pods of the licorice plant turn brown and begin to crack open. This is an indication that the seeds are mature and ready for harvesting. Gently collect the seeds by hand or cut the seed pods from the plant using a pair of scissors.

2. Cleaning Seeds: Remove any debris or plant matter from the harvested seeds. This can be done by gently rubbing the seeds between your fingers or using a fine mesh sieve to separate the seeds from unwanted material.

3. Drying Seeds: Lay the cleaned licorice plant seeds on a paper towel or a clean, dry surface in a well-ventilated area. Allow the seeds to air dry for approximately one week or until they are completely dry. Avoid direct sunlight or excessive heat, as this can damage the seeds.

4. Storage Container: Once dry, transfer the licorice plant seeds into airtight containers such as glass jars or ziplock bags. Make sure to label the containers with the date of collection and seed variety for future reference.

5. Ideal Storage Conditions: Licorice plant seeds can remain viable for up to three years if stored properly. It is best to keep them in a cool, dark, and dry place, such as a refrigerator or a cool basement. Ensure the storage area is free from moisture and extreme temperature fluctuations.

By following these steps, you can preserve the quality and viability of licorice plant seeds for future use.

Sowing Licorice Plant Seeds

Once you are ready to sow the licorice plant seeds, it is crucial to choose the right time and method for optimal germination. Here’s how to sow licorice plant seeds:

1. Choosing the Right Time: Licorice plant seeds can be sown both indoors and outdoors, depending on your climate zone. In general, it is recommended to sow seeds indoors 6-8 weeks before the last expected frost date in your area. This will give the seedlings ample time to develop before transplanting them outdoors.

2. Preparing Seed Trays or Pots: Fill seed trays or pots with a well-draining potting mix. Licorice plants prefer slightly acidic soil with a pH between 5.5 and 7.0. Moisten the potting mix before sowing the seeds to provide a favorable environment for germination.

3. Sowing Seeds: Place the licorice plant seeds on top of the moistened potting mix, spacing them approximately 1 inch apart. Gently press the seeds into the soil, ensuring they are in contact with the surface without burying them too deep.

4. Covering Seeds: Sprinkle a thin layer of vermiculite or fine sand over the sown seeds to provide insulation and retain moisture. Lightly mist the surface with water to settle the covering material.

5. Providing Proper Conditions: Place the seed trays or pots in a warm location that receives bright, indirect sunlight. Maintain a consistent temperature between 70-75°F (21-24°C) to encourage germination. It is essential to keep the soil consistently moist but not waterlogged.

6. Germination Period: Licorice plant seeds typically germinate within 10-20 days, although it may vary depending on the seed quality and environmental conditions. Once the seedlings have grown their first set of true leaves, they can be transplanted into individual pots or containers for further growth.

By following these sowing guidelines, you can increase the chances of successful germination and establishment of licorice plant seeds.

Germination Tips for Licorice Plant Seeds

To ensure optimal germination and healthy growth of licorice plant seeds, consider the following tips:

1. Temperature Control: Licorice plant seeds prefer warm temperatures for germination. Using a heat mat or placing the seed trays on top of a warm surface can help maintain consistent warmth and promote faster germination.

2. Regular Moisture: Check the moisture level of the potting mix regularly and water as needed to keep it moist but not overly wet. Avoid allowing the soil to dry out completely or become waterlogged, as both extremes can hinder germination.

3. Provide Adequate Light: Once the seedlings emerge, move them to a location where they receive 12-14 hours of bright, indirect sunlight each day. If growing indoors, consider using supplemental grow lights to ensure sufficient light intensity.

4. Thinning Seedlings: If multiple seedlings sprout in close proximity, thin them out by carefully snipping away the weaker ones at soil level. This will prevent overcrowding and allow the remaining plants to receive adequate nutrients and space for healthy growth.

5. Transplanting Carefully: When transplanting licorice plant seedlings into larger containers or the outdoor garden, handle them with care to avoid damaging their delicate root systems. Ensure the new planting location provides well-draining soil and adequate sunlight for optimal growth.

By following these germination tips, you can successfully grow licorice plants from seeds and enjoy their aromatic roots and foliage in your garden.

In conclusion, growing licorice plants from seeds is a rewarding experience that allows you to cultivate this versatile herb. Properly storing, sowing, and germinating licorice plant seeds are key steps to ensure successful growth and establishment. By following the guidelines provided in this article, you can embark on your licorice plant growing journey with confidence. Happy gardening!