Peace lilies are a popular houseplant due to their ability to purify the air and their attractive foliage. However, one common issue that many people face with peace lilies is the flowers turning brown. This can be disheartening, especially if you have put in the effort to get your peace lily to bloom.
There are several reasons why peace lily flowers turn brown, including environmental stress factors, improper care, and the natural bloom cycle of the plant. Understanding these reasons can help you identify the cause of the problem and take steps to address it.
By providing the right care and addressing any issues promptly, you can keep your peace lily healthy and vibrant, with beautiful white flowers that last for weeks.
Key Takeaways on Flowers on Peace Lily Turning Brown
- Peace lily flowers turning brown is a common problem that can be caused by environmental stress factors, improper care, or the natural bloom cycle of the plant.
- Understanding the reasons why peace lily flowers turn brown can help you identify the cause of the problem and take steps to address it.
- By providing the right care and addressing any issues promptly, you can keep your peace lily healthy and vibrant, with beautiful white flowers that last for weeks.
Learn why your favorite house plants are turning brown from these other popular picks:
Understanding Peace Lilies

Peace lilies are a popular houseplant among indoor gardeners for their attractive foliage and beautiful flowers. These plants are native to tropical regions of the Americas and are known for their easy care and adaptability to a wide range of growing conditions.
Peace lilies are a type of houseplant that belongs to the Araceae family. They are known for their large, glossy leaves and distinctive white flowers. These plants can grow up to 4 feet tall and are often used as a decorative plant in homes and offices.
One of the unique features of peace lilies is their life cycle. The flowers of a peace lily will turn brown and die naturally as part of the plant’s growth process. This is nothing to worry about and is a sign that the plant is healthy and growing properly.
Indoor gardeners should keep in mind that peace lilies prefer indirect sunlight and thrive in moist soil. Overwatering can be a problem, so it’s important to allow the soil to dry out slightly between waterings.
Brown Flowers on Peace Lily
Peace lilies are popular houseplants known for their beautiful white flowers. However, it is common for the flowers to turn brown, which can be a cause of concern for plant owners. Here are some common reasons why peace lily flowers turn brown:
1. Natural Aging
One of the most common reasons for brown flowers on peace lilies is natural aging. As the flowers age, they gradually turn brown and die off. This is a normal part of the plant’s life cycle, and there is nothing to worry about.
2. Stress
Stress is another common reason why peace lily flowers turn brown. Peace lilies are sensitive to changes in their environment and can become stressed when they are exposed to extreme temperatures, low humidity, or too much direct sunlight. Stress can also be caused by overwatering or underwatering the plant.
3. Disease

Diseases such as fungal infections can cause peace lily flowers to turn brown. Fungal infections can be caused by overwatering or by exposing the plant to too much moisture. If you suspect that your peace lily has a fungal infection, it is important to take action quickly to prevent the spread of the disease.
4. Damage
Damage to the flowers can also cause them to turn brown. This can be caused by physical damage, such as accidentally knocking the flowers off the plant, or by insect damage. Insects such as thrips can feed on the flowers, causing them to turn brown.
5. Root Rot
Root rot is a common problem in peace lilies and can cause the flowers to turn brown. Root rot is caused by overwatering or by allowing the plant to sit in water for too long. If you suspect that your peace lily has root rot, it is important to take action quickly to save the plant.
Watering and Humidity Requirements
Peace lilies are relatively easy to care for, but their watering and humidity requirements are crucial for healthy growth and to prevent the flowers from turning brown. Overwatering or underwatering can cause the leaves and flowers to wilt and turn brown.
It is important to keep the soil moist, but not waterlogged. Peace lilies prefer soil that is evenly moist, but not soggy. The frequency of watering depends on the size of the pot, the humidity of the environment, and the amount of light the plant receives. As a general rule, water the plant when the top inch of soil feels dry to the touch.
Tap water can contain chemicals such as chlorine and fluoride that can harm the plant. It is recommended to use filtered or distilled water to prevent any damage to the plant.
Bottom watering is a good option to ensure that the plant is getting enough water without overwatering. Place the pot in a saucer of water and let the soil absorb the water from the bottom. This method helps to prevent water from sitting on the top of the soil, which can lead to root rot.
Proper drainage is also essential to prevent overwatering. Make sure the pot has drainage holes to allow excess water to drain out. If the pot does not have drainage holes, it is recommended to repot the plant in a pot that does.
Peace lilies prefer a humid environment. Lack of humidity can cause the flowers to turn brown. To increase humidity, mist the plant with water or place a tray of water near the plant. Another option is to use a humidifier to maintain the ideal humidity level.
Light and Temperature Needs

Peace lilies are native to the rainforests of Central and South America, where they grow under the canopy of tall trees. As such, they prefer bright, indirect light and warm temperatures.
Direct sunlight can cause the flowers on a peace lily to turn brown, so it’s important to place the plant in a location where it won’t receive too much harsh light. If the plant is getting too much direct sunlight, move it to an area with dappled light or indirect light.
On the other hand, too little light can also cause problems for peace lilies. If the plant isn’t getting enough light, it may not flower at all or the flowers may turn brown and die. If the plant isn’t getting enough indirect light, consider moving it to a brighter location or supplementing with artificial light.
In terms of temperature, peace lilies prefer warm temperatures between 65-80°F (18-27°C). Temperatures below 55°F (13°C) can cause damage to the plant, while temperatures above 90°F (32°C) can cause the leaves to wilt and the flowers to turn brown.
Importance of Proper Fertilization
Peace lilies are beautiful houseplants that require proper care to thrive. One of the essential aspects of peace lily care is proper fertilization. Fertilizing your peace lily is crucial to ensure its growth and blooming.
Fertilizer provides the necessary nutrients for the peace lily to grow and develop healthy leaves and flowers. Without proper fertilization, your peace lily may suffer from stunted growth, yellowing leaves, and lack of blooms.
When fertilizing your peace lily, it is essential to use the right type of fertilizer. A balanced, water-soluble fertilizer with equal amounts of nitrogen, phosphorus, and potassium is ideal for peace lilies. Avoid using fertilizers with high levels of nitrogen, as it can cause leaf burn and affect the plant’s overall health.
It is also important to fertilize your peace lily at the right time. Fertilizing your peace lily during its active growing season, which is from spring to early fall, will help it thrive. During the dormant season, which is from late fall to winter, reduce or stop fertilization to allow the plant to rest.
Over-fertilization can also be harmful to your peace lily. It can cause salt buildup in the soil, which can damage the roots and affect the plant’s growth. Therefore, it is crucial to follow the recommended fertilization schedule and avoid over-fertilizing your peace lily.
Repotting and Pruning

If the peace lily’s soil is compacted and has no room for water to drain, repotting is necessary. Repotting is also necessary if the plant has outgrown its container. The best time to repot is in the spring when the plant is actively growing.
To repot, gently remove the plant from its container and shake off any excess soil. Inspect the roots and remove any that are brown or mushy. Choose a pot that is one size larger than the current pot and fill it with fresh potting soil.
Place the plant in the new pot and fill it with soil, leaving about an inch of space at the top. Water the plant thoroughly and place it in a bright, indirect light.
Pruning is necessary to keep the peace lily looking healthy and attractive. Use pruning shears to remove any yellow or brown leaves. Cut the leaves as close to the base as possible. Removing dead leaves helps to prevent the spread of disease and pests.
To remove spent flowers, use pruning shears to cut the flower stalk as close to the base as possible. This will encourage the plant to produce more flowers. It is natural for old flowers and leaves to turn brown and die, so do not be alarmed if this happens.
Dealing with Pests and Diseases
Peace lilies are generally low-maintenance plants, but they can be susceptible to pests and diseases. Here are some common issues and how to deal with them:
Pests
Some common pests that can affect peace lilies include thrips, mites, and aphids. Thrips are small, slender black bugs that can cause brown areas on the spathe of the flower. Mites can cause yellow halos on the leaves, and aphids can cause distorted growth and sticky honeydew.
To deal with pests on peace lilies, it’s important to first identify the type of pest. Once identified, treatment can include removing the affected leaves, washing the plant with insecticidal soap spray, or applying a systemic insecticide.
Diseases
Peace lilies can also be affected by various diseases, such as fungal growth, ringspot virus, blight, southern blight, bacterial brown spot, and collar rot.
To prevent fungal growth, avoid overwatering and ensure proper drainage. If fungal growth does occur, remove the affected leaves and apply a fungicide. Ringspot virus and blight cannot be treated and infected plants should be removed to prevent spreading.
Southern blight can be treated with a fungicide. Bacterial brown spot can be treated by removing affected leaves and applying a copper fungicide. Collar rot can be prevented by avoiding overwatering and ensuring proper drainage.
Peace Lily Bloom Cycle

Peace lilies are known for their beautiful white flowers that bloom throughout the year. Understanding the peace lily bloom cycle can help you take better care of your plant and ensure that it continues to produce healthy flowers.
Peace lilies typically produce flowers on long stems called flower stalks. These stalks emerge from the base of the plant and can grow up to 1-2 feet in length. The flowers themselves are small and white, with a hood-like structure that surrounds the reproductive organs.
The peace lily bloom cycle can be broken down into several stages:
- Budding: At the beginning of the cycle, the peace lily will produce small buds at the end of the flower stalks. These buds will gradually grow in size over the course of several days.
- Blooming: Once the buds have reached their full size, they will begin to open up and reveal the white flowers inside. The flowers will typically last for several weeks before beginning to fade.
- Fading: As the flowers begin to fade, they will turn brown and eventually fall off the plant. This is a natural part of the peace lily bloom cycle and is nothing to worry about.
- Re-blooming: After the flowers have fallen off, the peace lily will enter a period of rest before beginning the bloom cycle again. With proper care, a peace lily can bloom multiple times throughout the year.
It’s important to note that peace lilies do not require pollination in order to produce flowers. Instead, they rely on a hormone called gibberellic acid to stimulate flower growth. This hormone is naturally produced by the plant and can be supplemented with fertilizer to encourage blooming.
Overall, understanding the peace lily bloom cycle can help you provide the right care for your plant and ensure that it continues to produce healthy flowers.
Addressing Environmental Stress Factors

Peace lilies are sensitive plants that can be easily stressed by environmental factors. When peace lily flowers turn brown, it often indicates that the plant is experiencing stress.
Here are some environmental stress factors that can cause peace lily flowers to turn brown:
Stress
Stress is a common cause of peace lily flowers turning brown. A stressed-out houseplant is an unhappy houseplant, and peace lilies are no exception. Many factors can cause your peace lily to become stressed.
These include repotting it too often, not following watering provisions, poor soil quality, inadequate light, and nutrient deficiencies. If you suspect your peace lily is stressed, it is crucial to identify the cause and address it promptly.
Humid Environment
Peace lilies thrive in a humid environment, and low humidity levels can cause the plant to become stressed. If the air in your home is dry, consider using a humidifier to increase the humidity level around your peace lily. Alternatively, you can place a tray of water near the plant to help create a more humid environment.
Drafts
Peace lilies are sensitive to drafts and can become stressed if exposed to them. Avoid placing your peace lily near doors, windows, or air conditioning vents that can cause drafts. If you cannot avoid placing your peace lily near a draft, consider using a draft stopper to help protect the plant.
Chemicals
Chemicals can cause peace lily flowers to turn brown. Avoid exposing your peace lily to chemicals such as cleaning products, pesticides, or fertilizers. If you must use chemicals near your peace lily, cover the plant with a plastic bag or move it to a different location until the chemicals have dissipated.
Care Routine for Peace Lilies

Peace lilies are relatively easy to care for and make great houseplants. However, they do require some attention to keep them healthy and avoid issues like brown flowers and leaves. Here are some care tips for peace lilies:
1. Light
Peace lilies prefer bright, indirect light. Direct sunlight can scorch their leaves and cause brown spots. If the plant is not getting enough light, it may not bloom or its leaves may turn yellow. Place the plant near a window that gets filtered sunlight or use a sheer curtain to diffuse the light.
2. Watering
Peace lilies like to be kept consistently moist, but not waterlogged. Overwatering can lead to root rot, which can cause the plant to wilt and die. Underwatering can cause the leaves to droop and turn yellow.
Water the plant when the top inch of soil is dry to the touch. Drain any excess water from the saucer to prevent the roots from sitting in water.
3. Humidity
Peace lilies prefer high humidity, so it’s a good idea to mist the leaves regularly or place a tray of water near the plant. Dry air can cause the tips of the leaves to turn brown.
4. Temperature
Peace lilies prefer temperatures between 65-80°F (18-27°C). Avoid placing the plant near drafts or air conditioning vents, as this can cause the leaves to turn brown and curl.
5. Fertilizer
Peace lilies don’t require a lot of fertilizer, but a monthly dose of balanced houseplant fertilizer can help promote healthy growth and blooming. Be careful not to over-fertilize, as this can cause brown tips on the leaves.
6. Repotting

Peace lilies don’t need to be repotted often, but if the plant becomes root-bound or the soil is depleted, it’s a good idea to repot it. Use a well-draining potting mix and a pot that’s slightly larger than the current one. Repot in the spring or summer when the plant is actively growing.
Reviving a Dying Peace Lily
If you notice that your peace lily is wilting or turning brown, it may be a sign that it is dying. However, there are steps you can take to revive a dying peace lily and bring it back to its former glory.
1. Identify the Problem
First, it’s important to identify the reason why the peace lily is dying. Common reasons include overwatering, underwatering, too much or too little light, or exposure to extreme temperatures. Once you identify the problem, you can take steps to correct it.
2. Adjust Watering
If the peace lily is wilting due to overwatering or underwatering, adjust the watering schedule accordingly. Peace lilies prefer moist soil, but not waterlogged soil. Allow the top inch of soil to dry out before watering again. Make sure the pot has proper drainage to prevent water from sitting in the bottom of the pot.
3. Adjust Lighting
If the peace lily is not getting enough light or is getting too much direct sunlight, adjust the lighting. Peace lilies prefer bright, indirect light. Move the plant to a location where it will receive bright, filtered light, but not direct sunlight.
4. Trim Back Dying Leaves and Flowers
Trim back any brown or yellow leaves and flowers. This will help the plant focus its energy on new growth. Use a clean pair of scissors or pruning shears to make a clean cut at the base of the stem.
5. Fertilize
Fertilize the peace lily with a balanced fertilizer once a month during the growing season. This will provide the plant with the nutrients it needs to produce new growth.
6. Be Patient
Reviving a dying peace lily takes time and patience. It may take several weeks or even months for the plant to fully recover. Keep an eye on the plant and continue to provide it with the proper care it needs.
Frequently Asked Questions
How to remove dead Peace lily flowers
To remove dead Peace lily flowers, use a pair of clean and sharp scissors or pruning shears. Cut the stem of the flower as close to the base of the plant as possible.
This will help the plant conserve energy and direct it towards new growth. Make sure to clean the blades of the scissors or pruning shears with rubbing alcohol or a solution of one part bleach and nine parts water to prevent the spread of disease.
Why is my peace lily flower turning green
If your peace lily flower is turning green, it may be due to a lack of sunlight. Peace lilies require bright, indirect light to produce and maintain their white flowers.
If the plant is not getting enough light, the flower may turn green. Move the plant to a brighter location, but avoid direct sunlight which can scorch the leaves.
Peace lily flowers turning black
If your peace lily flowers are turning black, it may be due to overwatering or underwatering. Peace lilies prefer to be kept evenly moist, but not waterlogged.
Check the soil moisture level regularly and water the plant when the top inch of soil feels dry to the touch. If the plant is sitting in water, remove it from the saucer to prevent root rot.
Peace lily leaves turning brown and yellow
If your peace lily leaves are turning brown and yellow, it may be due to underwatering, overfertilizing, or exposure to cold drafts. Peace lilies prefer to be kept evenly moist and should be fertilized once a month during the growing season.
They also prefer temperatures between 65-80°F (18-27°C). Move the plant to a warmer location and adjust your watering and fertilizing schedule as needed.
Should I cut the brown flowers off my peace lily?
Yes, you should cut the brown flowers off your peace lily. Deadheading, or removing spent flowers, will help the plant conserve energy and direct it towards new growth.
Use clean and sharp scissors or pruning shears to cut the stem of the flower as close to the base of the plant as possible.
What do I do when peace lily flowers turn brown?
When peace lily flowers turn brown, it may be due to a variety of reasons such as overwatering, underwatering, poor soil quality, lack of humidity, or insect infestation. Check the soil moisture level regularly and water the plant when the top inch of soil feels dry to the touch.
Mist the leaves with water to increase humidity levels and avoid placing the plant near heating or cooling vents. If insect infestation is suspected, treat the plant with an insecticidal soap according to the manufacturer’s instructions.

Hey, I’m Lisa and I’ve been an avid gardener for over 30 years. I love writing, talking and living in the garden! Feel free to connect with me on my socials below

