Answer: The seed pod you see does, indeed, have seeds and you can start a new plant from a seeds. If you wish to do so, allow the seedpod to ripen and turn brown. The cut the seedpod off the stem and collect the seeds. Calla lilies usually take 3 or more years to flower from seed. Seedlings produce an underground tuber that takes several years to grow large enough to produce flowers. Gently push the seeds less than ? inch deep into the soil and keep soil moist and warm at a temperature between 70-80 degrees. Germination should take place between 30-90 days after planting.
If you decide not to grow new plants from seeds, cut off the flowering stem right away. If you do this, your calla will produce additional flowers this summer before it goes dormant. When the foliage begins to turn yellow, the plant is signalling that it needs a rest. When this happens, withhold water and allow the foliage to die down to nothing. In a few months you'll see new growth. At this time resume watering and your callas will grow and produce new flowers.
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