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Peace Lily Plant Seeds:
Guide to Storing, Sowing and Germination

Updated: June 30, 2023

The Peace Lily (Spathiphyllum) is a popular houseplant known for its beautiful white flowers and lush green foliage. While many gardeners prefer to propagate their Peace Lilies through division, it is also possible to grow them from seeds. In this article, we will provide a comprehensive guide on how to store, sow, and germinate Peace Lily plant seeds.

Storing Peace Lily Seeds

Before you can start sowing Peace Lily seeds, you need to acquire them. The easiest way to obtain seeds is by allowing your mature Peace Lily plant to produce flowers and then develop seed pods. These seed pods will contain the seeds needed for propagation.

To harvest the seeds, wait until the flowers have withered and the seed pods have turned brown. Gently remove the seed pods from the plant and place them in a paper bag. Allow the seed pods to dry in a warm and well-ventilated area for about two weeks.

Once the seed pods are completely dry, gently crush them to release the seeds. Collect the seeds and store them in a cool and dark place, such as an airtight container or a sealed plastic bag. Properly stored Peace Lily seeds can remain viable for up to two years.

Sowing Peace Lily Seeds

Now that you have your Peace Lily seeds, it’s time to sow them. Here’s how:

  1. Prepare your planting medium: Fill a small pot or tray with a well-draining potting mix. A mix of peat moss and perlite or vermiculite works well for Peace Lily seeds.
  2. Moisten the potting mix: Water the potting mix until it is evenly moist but not waterlogged. Excess moisture can cause the seeds to rot.
  3. Sow the seeds: Sprinkle the Peace Lily seeds evenly over the surface of the potting mix. Do not bury the seeds, as they require light to germinate.
  4. Cover the seeds: Gently press the seeds into the surface of the potting mix to ensure good contact. You can lightly sprinkle a thin layer of vermiculite or fine sand over the seeds to help retain moisture.
  5. Provide humidity: Cover the pot or tray with a clear plastic dome or place it inside a plastic bag to create a mini greenhouse effect. This will help maintain high humidity levels, which are essential for successful germination.
  6. Place in a warm location: Peace Lily seeds require warmth to germinate. Keep the pot or tray in a warm location, ideally between 70-80°F (21-27°C).
  7. Maintain moisture: Check the potting mix regularly and mist it with water if it begins to dry out. Avoid overwatering as it can lead to fungal diseases.
  8. Be patient: Peace Lily seeds typically take 4-8 weeks to germinate. However, some may take longer, so be patient and continue to provide the necessary care.

Germinating Peace Lily Seeds

Once your Peace Lily seeds have germinated, it’s time to provide them with the proper care to ensure healthy growth:

  1. Remove the cover: Once the seedlings have emerged and are approximately 1-2 inches tall, remove the plastic dome or bag. This will allow for better air circulation and prevent mold growth.
  2. Provide light: Place the seedlings in a bright location, but avoid direct sunlight as it can scorch their delicate leaves. A few hours of indirect sunlight or fluorescent grow lights will suffice.
  3. Water regularly: Keep the potting mix evenly moist but not soggy. Water from the bottom by placing the pot or tray in a shallow container filled with water and allowing the mix to absorb moisture through drainage holes.
  4. Transplanting: When the seedlings have developed a few sets of true leaves and are sturdy enough to handle, transplant them into individual pots filled with well-draining potting soil.
  5. Maintain humidity: Peace Lilies prefer high humidity, so consider placing a tray of water near the plants or using a humidifier to increase moisture levels.
  6. Fertilize sparingly: Once the seedlings are established, you can begin feeding them with a diluted liquid fertilizer every two to four weeks during the growing season.

With proper care and patience, your Peace Lily seedlings will grow into healthy and vibrant plants, ready to bring beauty and tranquility to your indoor space.

In conclusion, propagating Peace Lilies from seeds can be a rewarding experience for any gardener. By following this guide on storing, sowing, and germinating Peace Lily plant seeds, you can successfully grow these stunning houseplants from start to finish. Happy gardening!