Answer: After the flower is spent, if you don't cut it off the plant, it will develop a seed pod. The seeds are usually sterile so I wouldn't bother trying to saving them. Instead, cut off the flowering stem when the flowers fade but leave the foliage alone to ripen on its own. When the leaves turn crispy brown you can cut them off at ground level. Don't cut the leaves off when they are green - they are busy manufacturing carbohydrates for storage in the bulb. Hope this answers your question.
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