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Calla lilies are admired for their elegant, trumpet-shaped flowers and lush foliage. While many gardeners enjoy propagating these plants through division, collecting seeds is an alternative method that allows for new plants to grow from the original. Understanding when and how to harvest calla lily seeds is essential for successful propagation.
Understanding Calla Lily Seed Production
Calla lilies produce seed pods after their flowers have bloomed and the flowers have naturally withered. The process begins when the plant has finished its flowering cycle and the seed pods start to mature. Typically, seed pods form at the base of the flower stalk, and their development indicates readiness for seed harvesting.
Best Time to Harvest Calla Lily Seeds
The optimal time to harvest calla lily seeds is when the seed pods have turned brown and started to split open. This usually occurs several weeks after the flowering period, often in late summer or early fall, depending on your climate. Waiting until the seed pods are fully mature ensures the seeds are viable and have the best chance of successful germination.
Techniques for Harvesting Seeds After Deadheading
Deadheading, or removing spent flowers, encourages the plant to direct energy toward seed production. Once the flowers have withered, monitor the seed pods for color change and splitting. Follow these steps for effective seed harvesting:
- Allow the seed pods to fully mature on the plant without disturbing them.
- Use clean, sharp scissors or pruning shears to carefully cut the seed pods from the stalks when they are brown and starting to open.
- Place the harvested seed pods in a paper bag or envelope in a warm, dry place.
- Wait for the seed pods to dry completely, which may take one to two weeks.
- Once dry, gently crack open the seed pods to extract the seeds.
Preparing Seeds for Storage and Planting
After harvesting, clean the seeds to remove any remaining pod debris. Store them in a labeled, airtight container in a cool, dry, and dark place until you’re ready to plant. To improve germination rates, some gardeners opt to pre-soak the seeds in warm water for 24 hours before planting.
Tips for Successful Calla Lily Seed Propagation
Growing calla lilies from seeds can be rewarding but requires patience and proper care. Keep these tips in mind:
- Use well-draining soil enriched with organic matter.
- Maintain consistent moisture without waterlogging.
- Provide bright, indirect sunlight for germinating seeds.
- Expect germination to take several weeks, sometimes up to two months.
- Transplant seedlings carefully once they develop several leaves and are strong enough.
By understanding the timing and techniques for harvesting calla lily seeds after deadheading, gardeners can successfully propagate new plants and enjoy the beauty of calla lilies for years to come.