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Moneywort Plant Seeds:
Guide to Storing, Sowing and Germination

Updated: June 29, 2023

If you’re a gardening enthusiast looking for a beautiful and low-maintenance addition to your garden, moneywort (Lysimachia nummularia) is an excellent choice. Also known as creeping Jenny, this perennial groundcover plant features vibrant yellow flowers and attractive trailing foliage. Moneywort is easy to grow from seeds, and in this article, we will provide you with a comprehensive guide on how to store, sow, and germinate moneywort plant seeds.

Storing Moneywort Plant Seeds

Before you begin sowing moneywort seeds, it’s important to properly store them to ensure their viability and success. Here’s what you need to do:

  1. Harvesting Seeds: Moneywort plant produces small seed capsules after flowering. Wait until these capsules turn brown and dry before harvesting them. This usually occurs in late summer or early fall.

  2. Collecting Seeds: Gently shake the dry seed capsules over a clean container to collect the small black seeds. Make sure the seeds are fully mature and have turned black before collecting them.

  3. Cleaning Seeds: To remove any debris or unwanted particles, pour the collected seeds into a fine mesh sieve or strainer. Rinse them under running water, gently rubbing them between your fingers to remove any remaining pulp.

  4. Drying Seeds: After cleaning, spread the seeds out on a clean paper towel or plate and let them air dry for about a week. Make sure the seeds are completely dry before storing them.

  5. Storing Seeds: Once dried, transfer the seeds to an airtight container such as a small glass jar or a resealable plastic bag. Store them in a cool, dry place away from direct sunlight. Properly stored moneywort seeds can remain viable for up to 2-3 years.

Sowing Moneywort Plant Seeds

Now that you have properly stored moneywort seeds, it’s time to sow them. Follow these steps for successful sowing:

  1. Choosing the Right Time: Moneywort seeds are best sown in early spring or late autumn. These seasons provide optimal conditions for germination and establishment.

  2. Preparing the Soil: Moneywort thrives in well-draining soil, so make sure your planting area has good drainage. Loosen the soil and remove any weeds or debris. You can also amend the soil with organic matter to improve its fertility.

  3. Sowing Method: There are two primary methods for sowing moneywort seeds: direct sowing and indoor starting.

  4. Direct Sowing: If you choose to directly sow the seeds in your garden, sprinkle them evenly over the prepared soil surface. Lightly press them into the soil, but avoid burying them too deeply, as moneywort seeds require light to germinate.

  5. Indoor Starting: Alternatively, you can start your moneywort seeds indoors in seed trays or small pots. Fill the containers with a quality potting mix and moisten it slightly before sowing. Scatter the seeds over the surface and gently press them into the soil.

  6. Watering: After sowing, water the soil lightly with a fine mist spray or a watering can with a rose attachment. Avoid overwatering, as excessive moisture can lead to rotting or fungal diseases.

  7. Covering the Seeds (optional): Moneywort seeds require light for germination, so usually, they are left uncovered. However, if you’re concerned about birds or heavy rain disturbing the seeds, you can cover them with a thin layer of vermiculite or finely sieved compost.

Germinating Moneywort Plant Seeds

Germinating moneywort seeds requires patience and consistent care. Follow these guidelines to ensure successful germination:

  1. Maintaining Moisture: Keep the soil consistently moist but not waterlogged. Check the moisture level regularly and water as needed. Using a spray bottle or misting the surface can help maintain moisture without overwatering.

  2. Providing Optimal Temperature: Moneywort seeds germinate best at temperatures between 60-70°F (15-21°C). Place your seed trays or pots in a warm location, such as near a sunny window or on a heated propagation mat.

  3. Germination Period: Moneywort seeds usually take around 2-3 weeks to germinate. However, germination time can vary depending on various factors such as temperature and seed quality.

  4. Transplanting Seedlings: Once the seedlings have developed several true leaves and are large enough to handle, they can be transplanted into their permanent positions in your garden. Space them about 6-12 inches apart to allow for their spreading growth habit.

Conclusion

Growing moneywort from seeds is an enjoyable and rewarding experience. By following these guidelines for storing, sowing, and germinating moneywort plant seeds, you can successfully establish this beautiful groundcover in your garden. Remember to be patient and provide consistent care to ensure the best possible results. Happy gardening!