Answer: The flowering spikes are often harvested by florists for use in fresh arrangements so cutting them off your plant won't harm it. Or, you can allow the flowers to fall naturally from the plant - they may produce seeds which may germinate at the base of the parent plant. Expect your plants to go into a short dormancy period once they've finished flowering. They will produce new foliage and flowering stems after a few short weeks of rest. Enjoy your new plants!
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