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How To Prune A Peace Lily (Spathiphyllum)

Ask the Expert:
How to Prune?

I have a large peace lily. Where the white flowers have bloomed, they have died and turned brown, but are still attached to a new, fresh, green, stem. I assume this is for the new flowers to bloom.

Can the brown, dead blooms be cut off to the green stem? Or should they stay on until they fall off?

It really takes away from the beauty of the plant itself to leave these on.

Please advise. Thank you. Janie

Flower Shop Network Plant Expert Reply:
Each bloom has it’s own stem, therefore the green stem will not produce a new bloom. So you will need to remove both the bloom and the green stem which will eventually turn brown. To remove the spent bloom, you will follow the bloom stem down to the base of the plant and cut the stem off as close to the base of the plant as possible. This will help make the plant more attractive and stimulate the plant to produce more blooms.

While we are talking about pruning peace lilies, we need to discuss pruning unsightly leaves off. You will follow the same procedure as de-head the blooms. Follow the leave stem to the base of the plant and cut it off. You can also prune the leaves themselves should they get brown tips. To do this make an angled cut below the brown tip. This angled cut should keep the new tip from turning brown.

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  1. Mose Torgrimson says:

    I really got into this article. I found it very interesting and loaded with unique points of interest. I like to read material that makes me wonder. Thank you for writing this great content.

  2. Deborah Wolfe says:

    We recently just split off a mother plant and we cannot tell if in the process we have traumatized it, overwatered it, or underwatered it. I’ve read a ton of articles but can’t figure it out. Is there a way to talk to someone personally to figure this out?

  3. Deborah,

    Our plant expert is currently out of the office, but you can send a picture to jadams@flowershopnetwork.com and we will get back with you as soon as possible. Thanks.

  4. Alberta says:

    My daughter have just recently given me a peace lily. This website has given me a lot of information that i needed to care for MY plant. Thank you all.

  5. Christine Castillo says:

    My peace lily is old (10 yrs at least) with huge leaves but very spread out. It blooms regularly and is very healthy. Should I prune it to get it to grow new leaves closer together or not mess with it?
    Chris Castillo

  6. Jamie Woods says:

    Hi Chris,
    If your plant is healthy and still blooming regularly, I would leave it alone and let it keep growing.

  7. I have 6 spathiphyllum plants in the church and I water them . The leaves are still green ,they still look healthy. How often should I water it and can you clean the leaves with milk is there a certain time when the flowers grow on the plants I’m really trying to take care of of a plants in the church I need your help I need step by step please
    thank you

  8. Jamie Woods says:

    Hi Veella,
    This link will take you to our Peace Lily Plant Care Page. It has all the info you need for taking care of your peace lilies! http://www.flowershopnetwork.com/blog/flower-plant-care/plant-care/peace-lily-plant-care/

  9. Rachele M. says:

    I have read your article about caring for peace lilies but did not see anything noted about how often they bloom. I have had my plant for almost 1 year and in that time, it has only had 2 flowers on it. It is watered regularly and has ample sun and appears to be healthy. Is it possible to get a plant that just doesn’t bloom? Or am I doing something wrong?

  10. Jamie Woods says:

    Hi Rachele,
    Often times Peace Lilies are forced to bloom at the growers. This can throw off their natural blooming schedule. They also require periods of rest between blooms. To encourage your peace lily to bloom, remove the spent blooms by cutting it at the base of the stalk. Fertilizing your Peace Lily with a balanced houseplant fertilizer every few months will also help encourage it bloom. If your Peace Lily is healthy and the environmental conditions are right, it will be bloom again. Just give it a little time.

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