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Brown Is A Good Color for Chocolates But Not A Peace Lily

Ask the Expert: What to do about browning leaves I have a Peace Lily plant, which is about 10 months old. I do have it sitting in front of a window in the center of my family room. The leaves are starting to droop and many of the leaves are turning brown. How do I revive this plant and should I cut off the leaves that are brown, and if so, where should I clip them? Sharon

Sharon,

First, we must determine the cause of the browning leaves. Light, water and fertilizer can all be a factor in the browning of peace lily leaves. Exposure to direct light can cause the leaves to turn yellow; showing a burnt appearance. Water, whether too much or too little, can cause peace lilies to wilt and the leaf edges to turn yellow or brown. Over-fertilization or too heavy a concentration of fertilizer can create leaves with brown spots that will eventually cover the entire leaf.

All of these factors can be overcome. Start by trimming the brown leaves off,follow the leaf stem to the base of the plant and cut off.

If light is causing a problem, move the plant at least a foot away from the light source. The new leaves should emerge green and stay green – problem solved.

If water is causing the problem, we need to determine whether it is too much or not enough. First check for drainage – if the drainage holes are blocked and the plant has been setting in water – then over-watering is the culprit. Clean the drainage holes and drain the excess water, then back off the watering until the plant is slightly dry. Water the plant so that the soil is moist but not soggy.

Easy water test – Stick finger in soil down to the second knuckle and put out a small amount of soil – soil is too dry, if you can not roll it into a ball – soil is too wet, if you can roll it into a ball and squeeze water from it – soil is just right if you can roll into a ball, but can’t squeeze water from it. You can, also, purchase a houseplant moisture meters at your local garden center to help with your watering.

If the plant has been too dry, the soil will be dry and will have pulled away from the container. Simply water the plant; making sure not to over-water it. It is important to keep the plant evenly moist. Plants that are exposed to the extremes of both conditions are more susceptible to diseases and insects.

If the peace lily has been over-fertilized you can flush it with clear water – be sure not to cause an over-watering problem. You can, also, re-pot the peace lily into fresh unfertilized soil. Either way, it will take a few weeks for the peace lily to rebound. Be sure not to fertilize during this time.

Whatever the reason and the solution, the peace lily will need a little time to recover. You might want to read our Caring for Peace Lilies page; it contains a lot of useful information. Good luck.

For anyone interested you can buy Peace Lilies (Spathiphyllum clevelandii) through your local florist or garden center.

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Comments

  1. Thank you for your very helpful information. I’m probably going to have to re-pot the plant and get a houseplant moisture meter, along with some fertilizer. Hopefully these remedies can bring the plant back to its natural beauty.

  2. I have a similar problem, but my leaves turned black/brown and started wilting on one side of the plant. I had it sitting in front of a window and the temperatures outside are <20 degrees F. Do you think that it was caused by cool temperatures? Do you recommend cutting off the leaves down at the base of the stem? Thanks, Cindy

  3. Cindy,

    I think frost damage could be possible. In the winter, my mother’s windows tend to let in a bit of a draft. If your window is not insulted and you can feel a draft, then the peace lily definitely was exposed to to much cold. Move the peace lily a little farther from the window and make sure it is out of any draft flow. Do trim the black leaves back to the base of the plant. If you haven’t fertilized the plant lately, give it a very diluted amount of liquid soluble fertilizer. Also, check for root rot – make sure the plant is properly draining. You may need to re-pot the peace lily; if it isn’t draining properly.

  4. my actual white flower is turning brown what do i do \"

  5. It depends. If the flower has been on the plant for a while, there is nothing you can do. It is the natural progression — flowers will turn brown at the end of their life cycle. I recommend you remove the dead flower by following the stalk to the base of the plant and cut it off.

    However if it is a new flower, you need to check a few things. Moisture level, light exposure and insect infestation. The plant needs to be moist but not soggy. If the plant was too dry at the time the bloom formed, it could cause the browning. If the plant is receiving too much light, the blooms could be scorching. Finally check for insects. They could also cause the bloom to turn brown.

    Once you find the culprit and correct the issue, the new blooms should be fine. I recommend trimming the damage blooms off.

  6. Hi, I’ve had my peace lilies for 4 years and since this summer they’ve had brown spots on their leaves and the new grow is turning brown before it even has a chance to flourish. My plants are over a foot away from sunlight windows, I had switched the soil and repotted them, I do no over water or under water them and trimming back the leaves hasn’t helped. Please offer any suggestions, I’m very concerned.

    Attached Image: IMG00090-20101109-0929.jpg

  7. Melissa,

    The peace lily is a moisture loving plant; it may not be getting enough humidity because of the warmer summer temperatures. Try getting a spritzer bottle and spraying it a few times a week. For watering, make sure you are completely saturating the soil when you water, but never let your peace lily stand in water. Before watering again, use your finger to test the soil to make sure it feels dry to the touch.

    When you changed the soil, did your roots look healthy? A healthy peace lily should have white roots. If your roots were not white, your could have a problem with the root system.

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