Being native to Sri Lanka, Madagascar, and Indochina, Aponogeton crispus is a plant that everybody loves to have. Moreover, Crispus is the most vigorous plant among Aponogetons to grow at home.

Aponogetons is an aquatic flower family which contains many species. The one we are talking about in this article is Aponogeton crispus.

Where Does the Name Come From?

This plant is also known as the Ruffled Sword Plant because it has lengthy and thin lance-shaped leaves with ruffled margins. Talking about the leaf’s texture and coloring, the surface is quite brittle and its color varies from dark green to reddish-brown. Moreover, the plant has rhizomes that must be planted in gravel or potting soil.

Apart from its appearance, there is much more to this plant that you’ll know after reading this article. If you are considering growing Aponogeton crispus, continue to read on.

Aponogeton Crispus: Basic Information

Aponogeton crispus cheers in clear water with a depth of 0.3 feet. It can grow well in both still and running water and doesn’t need much pampering to grow. It can thrive in an aquarium just like it does in its natural habitat, as long as it has enough nutrients available.

It goes best if the aquarium has tiny herbivorous creatures, as the plant copes well with them. It can easily survive snail attacks and can also bear varying water and light conditions.

Quick Facts

Care Easy
Temperature 72 – 80 °F
Color Range Light green to olive-green brown
Lifespan 1 Year
Size 12 x 19.7 inches
Minimum Tank Size 10 gallons
True Aquatic Yes
Ph 6 – 8

Aponogeton Crispus Care

The least expensive plant in the genus is Aponogeton crispus, which requires the least supervision. This makes it a super easy plant to pet. Commonly, the plant grows in the forests, preferring running waters and seasonal ponds. When the dry season comes, the plant goes dormant. However, dormancy doesn’t happen in aquariums.

Moreover, Crispus has a small round rhizome that should be under the soil. In most cases, these plants are sold as “wonder bulbs”. In others, they are sold as hybrids, like those mixing Crispus and Natans.

Fun Fact: Aponogeton crispus red leaves do not float over the water if the plant is a purebred, while hybrids are green-colored and can float.

Is Aponogeton Crispus a Good Fit for Beginners?

Apart from its interesting looks, Crispus is a preferable plant for somebody new to aquatic horticulture since it’s easy to care for. There is no strict supervision required for this species. As long as you are offering a clean environment and mild lighting, this species can thrive.

However, to have a good Aponogeton crispus growth rate, you can make sure that the species can enjoy slightly acidic water and has a nutritious bottom. In such optimum conditions, the plant develops a good mass of leaves and flowers.

Planting Guide: How To Propagate Aponogeton Crispus

Propagating Aponogeton crispus is a not-so-difficult chore. Being an elegant plant that can come to be a showpiece in your aquarium, it does not give a hard time propagating itself.

If you own an Aponogeton crispus that has a good mass of flowers, you can simply utilize the seeds to propagate it. If you compare it to other species of Aponogeton, the crispus is relatively prone to blooming in aquariums.

If you want the seeds to bloom you just have to meet certain requirements such as light, carbon dioxide, and nutrition. The plant will then take care of everything else.

– Process of Propagation

In this section you will find the steps you should be following to propagate Aponogeton crispus:

  • The process can take place when seeds have already formed on the plant. Cut them off the flower and place them in a dark place which must be outside the aquarium. Keep the seeds outside the water for 7 days.
  • Now your next step should be exposing them to bright light and wait until they start growing.
  • When you observe shoots popping out, you can plant them in a different pot, which should have a part of peat moss and two parts of water.
  • When the seeds form a few leaves, you can place the new baby plants in the aquarium.

Quick Fact: Some people don’t carry out this 7-day drying stage and place the plant directly into peat moss and water directly.

Other Factors To Care About

– Growth Rate

Aponogeton crispus grows fast and reaches 1foot in a month. This can occur even without extra fertilizers, as they take nutrients from the waste that other tank mates create.

– Tank

When choosing a tank for your crispus, make sure that tank size is at least 10 gallons for these rapidly thriving bulb plants. They can even grow out of the tank and sprout tiny white flowers outside.

– Lighting

Lighting is not a big issue for this species. It is one of the reasons that makes the care of this plant super easy. The plant does not need great lighting systems that can be expensive or difficult to manage for a beginner plant keeper.

Instead, the species requires a medium or low light that is easily manageable. And the best part is, this light will even prevent the excessive growth of the plant so that you will have to do less pruning.

We recommend installing 10-watt floodlights if you are keeping your Aponogeton crispus in a 10-gallon tank. These LED floodlights also save you a lot of electricity money. It’s a win-win situation!

– Substrate

The substrate is the most concerning topic for a plant. For Aponogeton crispus, simple aquarium soil is the reasonable substrate choice due to the high level of nutrients present in it. The second option can be gravel, followed by sand.

– Water Conditions

Aponogetons crispus are tropical plants, so they grow well in warmer water which is soft to slightly hard. These warmer conditions will be a favorable match with tropical tank mates.

Benefits of Aponogeton Crispus

Aponogetons crispus offer several advantages to your aquarium and its inhabitants. Let’s see why these plants are so special.

– Aesthetics

Aponogetons crispus establishes a densely lush impression and is capable of furnishing to your tank with no effort. They imitate the real environment of numerous aquarium fish, that can feel right at home with your crispus.

– Hiding Places

As the Aponogeton crispus leaves are so bulky and dense, aquarium dwellers get plenty of places to hide or retreat.

– Nutrition

The dead leaves of this species serve as food to other inhabitants of your setup, such as scavengers and detritus eaters.

– Oxygen

Aponogeton crispus are known to convert CO2 into oxygen, which increases the quantity of oxygen available for the tank inhabitants.

Is Aponogeton Suitable for Your Aquarium?

Yes, it is. Having a bulb plant in your aquarium not only enhances the aesthetic of the aquarium but also assists with increased oxygen levels in your tank. Moreover, this species provides hiding places to other tank creatures. In addition, Aponogeton crispus also helps remove waste in the aquarium, as this plant feeds on it. Lastly, the plant enhances the water quality.

If you are looking to have a plant in your aquarium, Apongeton crispus can in a solid choice. It’s light, easy to grow, and favorable for a beginner aquarium hobbyist. Moreover, the plant offers an appealing appearance to your aquarium, making it look like a real tropical lake.

How Many Plants Can Be Kept per Gallon?

If you are keeping a Betta fish with Aponogeton crispus in a tank that has a 5-gallon capacity, we recommend having a single bulb only. Else, the space will get a lot smaller. In general, if you only have crispus in your


We have provided a lot of data for Aponogeton crispus in this article, and now you must be excited to bring the plant to your home!

However, there are some key points that you must be aware of before you bring the plant to your home so that you can take better care of the plant.

Read on:

  • Make sure the tank water is clear and warmer for the plant and not brackish or salty in any case.
  • Make sure the tank is spacious enough for the plant.
  • Keep an Aponogeton bulb with few and small tank mates that do not tend to harm plants.
  • Make sure the pH of the water is as required: six to eight is the ideal level.
  • Try to provide medium to low lighting to the plant.
  • Make sure you don’t offer too much fertilizer to the plant.
  • The plant must be placed on a substrate that is old and carries nutrients. It can go on gravel or sand as well.

With that said, all you have to do is take care of your plant with complete commitment. Do not worry about strict supervision. As long as you are offering your plant clean water, nutrient-rich soil, and peaceful tank mates, it is good to grow.

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