What Houseplants Are Safe to Put in an Aquarium?

Wayne Taylor
Written By Wayne Taylor

Adding houseplants to your aquarium can be a great way to add color, life and interest to your aquarium. You should be sure to choose houseplants that are safe and compatible with your aquarium environment. There are several species of houseplants that are well-suited for aquariums, such as Java fern, anubias, water wisteria, and Amazon sword plants. With a bit of care and knowledge, these plants can thrive in your aquarium and make it look stunning.

Why Have Houseplants in an Aquarium?

Houseplants can add not only a touch of beauty to your aquarium, but they can also provide a place for fish to hide and have a more natural environment. Adding houseplants to your aquarium can also help increase oxygen levels, which can lead to healthier fish. With the right kind of plants, you can create a safe, natural habitat for your fish.

When it comes to selecting the right houseplants for your aquarium, there are some safe choices that will not harm your fish. Java fern, anubias, water wisteria, and Amazon sword plants are all safe for aquariums and can provide your fish with the natural environment they need.

When adding plants to your aquarium, make sure to gently rinse them to remove any dust or debris before placing them in the tank. It is also important to consider the other elements in your aquarium when adding plants.

Plant care, substrate, lighting and filtration are all important factors that need to be taken into consideration when selecting and caring for your aquarium plants. Knowing how to properly care for your plants is key to creating a healthy, sustainable aquarium environment for your fish.

Kinds of Plants Safe to Put in an Aquarium

When stocking your aquarium with houseplants, it’s important to choose varieties that will thrive in the aquatic environment. Java fern, anubias, water wisteria, and Amazon sword plants are some safe options.

Java fern is a popular aquarium plant that can be grown either submersed or emersed. It’s easy to care for and will spread quickly.

Anubias is a slow growing species that is hardy and easy to care for—a great choice for beginners. Water wisteria is also a great option as it is fast growing and easy to propagate.

Amazon sword is a large, hardy species that can grow up to two feet in height. When choosing houseplants for your aquarium, it’s important to consider the needs of the plants. Make sure the substrate is suitable for the type of plant, and that you provide enough lighting, filtration, and appropriate care to ensure the plants thrive. With the right environment, these safe houseplants can bring a lot of beauty and life to your aquarium.

Java Fern

Java Fern is an excellent choice for an aquarium because it looks beautiful and is incredibly resilient. It is a low-maintenance houseplant that does not require much light and grows quickly. As it naturally grows in rivers, creeks and streams, it is well-suited for a water environment.

To keep it healthy, make sure that it is in a filtered and temperature-controlled aquarium. It is important to provide plenty of nutrients, such as fertilizer and supplements, to keep the Java Fern looking its best.

And when it comes to substrate, Java Fern can do well in small gravel, but it prefers a more sandy mixture. With the right combination of light and nutrients, this plant can thrive and add vibrant colors to your aquarium.

Anubias

Anubias is a great addition to your aquarium, as it’s a hardy and low-maintenance type of houseplant that can thrive in a wide range of conditions. This plant is perfect for aquarists who don’t have a lot of time to devote to caring for their houseplants, as it requires minimal pruning and doesn’t need to be fertilized very often.

Anubias also has the unique characteristic of not needing a substrate, making it an ideal choice for aquariums with limited space. It’s also a great choice for aquarists who want to keep their aquariums looking natural, as the plant’s leaves are a deep, dark green and its roots are slender and attractive. Anubias is sure to make your aquarium look vibrant and inviting!

Water Wisteria

Water Wisteria, or Hygrophila difformis, is a great aquarium plant for any aquarium. It’s green, delicate leaves make it a peaceful addition to any environment and its easy-to-care-for nature means that almost anyone can enjoy it.

It’s a great starter plant for those new to aquarium plants and it does well in a wide range of temperatures. Its roots need to be covered for the most part, either with substrate or rocks, and it will do best with medium to high lighting. It can become very aggressive in the wrong environment so make sure to do your research, but with the right amount of care Water Wisteria will add a lovely touch to any aquarium.

Amazon Sword Plant

Amazon Sword Plant is a great option for adding beauty to your aquarium without disrupting the delicate balance of life inside. It’s a robust plant that can tolerate low light and doesn’t require too much maintenance.

Plus it’s easy to obtain from most pet stores! To get the most out of your Amazon Sword Plant, make sure you provide it with a nutrient dense substrate, adequate filtration, and plenty of light. It’s also important to check the pH and hardness of your water regularly as these can affect the health of the plant. With the right care, your Amazon Sword Plant will thrive and bring unique beauty to your aquascape!

Other Considerations

When considering other factors when adding houseplants to an aquarium, take care to ensure they are properly taken care of. Make sure to provide the right level of nutrients and water, and to ensure the right kind of substrate is used. Plants also need a certain amount of lighting, so make sure to give them enough light to allow them to thrive.

Consider the kind of filtration system that’ll work best. A good filter can prevent pollutants from building up in the tank and help keep the plants healthy.

The success of a planted aquarium depends on the care taken when adding plants and the ongoing maintenance of the aquarium. Investing in the right kind of lighting, substrate, and filtration system is key for the long-term health of both plants and fish. Of course, ensuring that plants are properly cared for is essential for keeping them healthy and vibrant.

Plant Care

When caring for houseplants in an aquarium, it’s important to monitor the environment – make sure the temperature and pH are suitable for the plants. It’s also important to monitor the light levels, as too much or too little light can harm the plants.

Fertilizers can be used to ensure that the plants are getting the nutrients they need, but it’s important to be careful not to over-fertilize as this can harm the plants. It’s important to give plants plenty of space to grow – overcrowding can restrict the growth of plants, and is best avoided.

It’s also important to regularly trim the plants – this helps to keep them healthy, and also helps to keep the aquarium looking neat and tidy. Dead leaves and stems should be removed when necessary, and any dead matter should be promptly removed from the aquarium to prevent any issues with water quality. If additional plants are needed, it’s best to research the plants carefully to make sure they’re suitable for the aquarium. Following these tips can help to ensure that the plants in the aquarium are healthy and thriving.

Substrate

It’s important to choose the right substrate for your aquarium. You can use aquarium gravel, pebbles, and/or sand. If you’re growing live plants, you should opt for nutrient-rich substrate that will provide necessary vitamins and minerals.

You can also add root tabs that will provide additional nourishment. Make sure to use a substrate that is not sharp, and won’t damage your fish.

Make sure to check with the fish shop to make sure the substrate is compatible with your fish. You’ll also want to make sure to clean the substrate regularly.

You can either use an aquarium vacuum, or use a gravel washer and siphon. This will remove all the waste and debris, and stop the build-up of stagnant water.

Cleaning your substrate should be done regularly, as the bacteria in your tank will break down the organic waste. Regular cleaning of your substrate ensures the health of your tank and its inhabitants.

Lighting

When it comes to lighting for your aquarium, it’s important to keep in mind that houseplants have different needs than fish. Most aquarium plants will do best with lighting between 6 and 8 hours a day, and higher-light plants can do fine with up to 12 hours of light per day.

Make sure to select lighting that is suitable for your plants. Some plants may do better with a higher light intensity, and some may do better with a lower intensity. A combination of both may be necessary for a well-lit tank.

When choosing lighting for your aquarium, keep in mind that the type of lighting you choose will determine the type of plants you can grow. If you want to grow heavily rooted plants, you may need to choose a stronger light source.

If you are looking to grow a variety of plants, you may need to choose a more powerful light that covers all the different needs of the plants. LED lights are the best choice for aquariums, as they are more energy-efficient and can last longer.

Filtration

Good filtration is a must when it comes to keeping aquarium plants. You need to make sure that the water is getting filtered properly, otherwise, you may end up with an aquarium full of dying plants.

The best option is to go with a pump-driven filter, as this will provide the most efficient filtration. If you don’t want to invest in a pump-driven filter, a simple sponge filter is a good alternative. Make sure to clean the filter regularly, as it will become clogged with debris and can lead to poor water quality.

A good rule of thumb is to replace the filter media every 3-4 weeks. This will help keep the water clean and prevent your plants from becoming unhealthy.