Why Are My Water Hyacinths Dying? [6 Causes]

It’s easy to get frustrated with aquatic plants that don’t grow the way you want them to. This is especially true for new gardeners because they are still learning what will and won’t work in their backyard pond.

One of the most common problems is when water plants, like water hyacinths, die off after a few weeks or months in your pond. It can be hard to know why this happens, but it should help you figure out what might have gone wrong if you keep an eye on the following things.

Why is my water Hyacinth dying?

1. Hyacinths need a wide variety of nutrients: The right balance of fertilizer and minerals will make all the difference for whether your hyacinths thrive or not.

Your hyacinths may be dying because the water isn’t “rich” enough for them to grow properly. Adding more minerals and other nutrients can help, but remember that if you have any fish or other creatures also living in your tank or pond, they will also use up most of these extra resources.

If you are unsure of what they need, then do some research on the Internet and speak to people at your local pond or garden store.

Top 3 Main Problems With Snake Plan...
Top 3 Main Problems With Snake Plant Leaves (2021)

2. You have not acclimatized your hyacinths: When you first get your plants, make sure that you don’t immediately toss them into the pond. Let them adapt to their new environment for a few days before adding them in permanently.

3. The sun might be too intense: Bright light is essential for good plant growth, but it can also burn leaves if it’s too close. Be careful and try to keep sunlight off of any new plants for a while so that they can adjust before being overwhelmed with too much exposure.

4. Your water may be too cold or too hot: If you live in a colder climate, then your pond is going to have much colder water. This can cause problems for new plants that aren’t used to living in colder temperatures. Even if you don’t live in an area with extreme temperature shifts, it can still be hard to keep the right balance when trying to create a tropical environment.

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5. There could be pests that are attacking your plants: No matter how hard you work at maintaining good health and an oxygen-rich environment, sometimes nature acts against you. Try using pesticides or removing dead leaves and stalk to help prevent infestations from spreading to other parts of the plant while it’s being treated.

6. There is a lack of oxygen present: Not having enough dissolved oxygen can cause issues with how well your plants are growing (brown spots on Water Hyacinth leaves). If you are using too many chemicals to clean the water or keep algae growth down then try stepping back from those treatments for a few weeks so that the levels can go back up.

Don’t forget to consider other things like warmer water temperatures that can reduce the amount of oxygen in your pond or aquarium. If you notice that many of your fish and aquatic plants are dying off, it is important to figure out why before taking any action.

By doing research and keeping an eye on the things listed above, you should be able to figure out what might be going wrong with your hyacinths.

Purple Hyacinth
Purple Hyacinth” by Recherché Furnishings is licensed under CC BY 2.0.

Why are my hyacinth leaves turning brown?

The browning of the leaves on your hyacinths can be caused by a lot of different things. Below are some common causes to look for when trying to figure out what may have gone wrong with any new plants in your pond.

1. There is not enough oxygen present: As stated above if you start seeing brown spots or tips on leaves, it could be a sign of the lack of oxygen.

2. There is too much sun: When you add new plants to your pond or aquarium, make sure that they are protected from intense sunlight until they get used to their new environment and start growing away from the light source.

3. The amount of humidity in the air is too high: Certain hyacinths do better in optimal humidity levels. Try adding some air stones to the surface of your water so that it produces tiny bubbles of oxygenated air throughout your pond or aquarium.

4. The soil or dirt used was not right for them: Before you add new plants into your pond, make sure that you do proper research on the needs of those particular plants. It is important to be aware that if your hyacinths are dying, then a bad soil mixture might be what is causing it.

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5. They got hit with too much cold or hot water: Since these plants like warm water, if you accidentally let some cooler water in from your garden hose, then that could cause problems with your hyacinths.

Why isn’t my water hyacinth blooming?

The main reason why your water hyacinth is not blooming is that it’s either too young or not mature enough.

When you first add new plants to your pond or aquarium, they do not always begin blooming right away. Sometimes it can take time for them to develop before they start producing flowers. You will need to wait until they are at least 3 inches tall or older before you start flowering them.

There are also some other reasons why this could happen though.

  • The environment is too cold: Since some hyacinths prefer warm water, this could be a cause of your lack of blooms. You will need to find out what temperature is best for the plant that you are growing in order to have flowers and get ahead of those issues.
  • There might not be enough light present: You may want to move your plant closer to a light source so that it can get more of the nutrients and sunlight.

Can water hyacinth survive in winter?

Yes, water hyacinth can survive in winter with proper care. If you live in an area like Florida or Texas where the winters are not too cold, then your plants should be fine during that time of year.

In colder places like Georgia and Kentucky, they might show some signs of stress by having brown spots form on their leaves but if kept indoors they should do just fine.

If you have a pond that freezes, then the plants will need to be removed or covered. If you can’t move them for whatever reason, you might want to consider buying heartier versions of common water hyacinths like the elephant ear and parlor palm water hyacinth since they are more cold tolerant.

Why are there bugs on my water hyacinth?

If you notice any red or orange bugs sucking the sap out of your hyacinth plant, then you might have found one of two common pests which are called aphids and mealybugs.

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The first step to getting rid of these creatures is by making sure that your plants are not getting too much light, especially sunlight.

You will also need to get rid of the aphids first before you can get rid of the mealybugs since if you kill them off at the same time it might be harder to remove the bugs from your plants.

Note: There is a chemical treatment called neem oil that can be applied to your water hyacinth if they have too many bugs or you just want to be extra cautious about that.

Why is my water hyacinth not growing?

If your water hyacinth is not growing, there could be a few reasons for this problem.

The first step is by making sure that you follow the right lighting conditions for that particular plant. Some hyacinths need a lot of light while others are not so demanding.

The second step is by making sure that your water hyacinth has enough nutrients in the water and soil which can be done by adding fertilizer to your pond or aquarium.

If you still have a problem, then it could be a disease that is attacking the plant. It might even be root bound so you will need to transplant it into a larger container to help it grow better.

Why are my water hyacinth roots dying?

If your water hyacinth has yellow or brown dead patches on the surface of the soil, then there might be an issue with the roots. This might be from underwatering, overwatering, or even fertilizer burn. You may also want to consider transplanting the plant if it’s root bound and not getting enough space to grow.

Final Thoughts

So if you have noticed any of these issues with your water hyacinth, then you might need to troubleshoot the problem before it gets out of hand.

It is always better to take care of these problems sooner than later since they can damage the plant and make it harder for you to grow in the future. You don’t want to kill your water hyacinth plant by not paying attention to the details and the plant needs.