Cut the orchid stem off after the flower blooms. Do this if you still have a healthy orchid flower spike that has the strength to produce a new flower.
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The most popular method of cauterizing the stem is by dusting cinnamon powder on it. Dip a cotton swab in cinnamon and gently rub it on the cut-end of the orchid stem.
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Another piece of important orchid care is that they should not be fertilized at all during the blooming period. The ideal time to fertilize your orchid is after blooming.
Applying fertilizer to your orchids after blooming is an excellent way to help your plant replenish its energy after blooming.