The Q&A Archives: Peace Lily Doesn't Bloom

Question: I have owned this peace lilly or what I call a peace plant for several years. At first, it used to bloom all the time without any effort on my part. I just recently replanted it in a new and bigger pot. I felt the orginal pot was getting too small. Ever since, I have been struggling to get it to bloom. I heard from someone that you have to let it dry out to where it is limp, re- water. Repeat the dry out rewater two times. Are these tips right?

Answer: Since your plant used to bloom frequently, then stopped, it sounds as if the soil may have lost its fertility. Replanting in fresh soil is a good idea. Other requirements are bright to medium light, keep soil moderately moist, moderate to average humidity, normal room temps. Use a fertilizer higher in phosphorous (the middle number) to promote bloom. I'm not aware that letting the plant dry out to the point of limpness is useful. That would stress the plant further.

Here's some info on fertilizer: The numbers on a fertilizer bag refer to the percentage of N (nitrogen), P (phosphorous), and K (potassium) in the bag. There are different formulations for different purposes. In general terms, nitrogen produces lush green growth, phosphorous helps strengthen stems and produce flowers, and potassium keeps the root system healthy. If you're applying fertilizer to flowering plants, you're not as interested in the plant developing leaves as you are in it flowers, you'd use a formulation lower in nitrogen and higher in phosphorous, such as Miracle-Gro. Good luck with your plant!

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