The Best Flowers for Aquaponics (Picks & What to Avoid)

Emma Greenfield

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The Best Flowers for Aquaponics

Disclosure: This post contains affiliate links.

Aquaponics is a type of agriculture that combines raising fish with hydroponics or growing the best herbs in water. Aquaponics is a sustainable way to reduce water use, as it recycles water and nutrients between the two systems that produce fruits, vegetables and beautiful flowers.

As you have already understood, in this article, we will analyze the best flowers for aquaponics that you can start growing in your water garden fast and easy. So, make sure to choose the right ones that will easily grow. 

Stay tuned until the end to find everything you need to start your own aquaponics flower garden at home!

You can grow flowers in aquaponics systems, but you need to choose the right ones that can thrive in that environment. Some flowers that do well in aquaponics include chrysanthemums, roses, carnations, orchids, lilies, marigolds, and more.
When selecting flowers for your aquaponics system, there are several factors to consider. These include the temperature and climate suitability, growth habit and size of the flowers, nutrient requirements, flowering period and duration, pollination requirements, and pest and disease resistance.
Growing flowers in aquaponics systems has several benefits. It reduces the need for chemical fertilizers as fish waste provides natural fertilizers. The water used in the system is recycled, reducing waste. Aquaponics allows for higher stocking density of fish without harming them. It is a sustainable way of farming that uses less water and doesn’t require land use or fertilizers. Lastly, flowers add beauty and aesthetics to the system.
Some flowers may be toxic to fish or hinder the growth of other plants. Flowers like tulips, chrysanthemums, scarlet runner bean, morning glory, and others should be avoided.

Can I Grow Flowers in Aquaponics?

Grow Flowers in Aquaponics

Well, if you are reading this right now, you probably came to see which flowers are good for aquaponics, and that’s why this question might sound weird to you, but for some people, it remains a bit strange to understand, so let’s make it clearer.

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The answer is yes! You can grow flowers in aquaponic systems, but it depends on the type of the flower and its requirements to grow without a problem.

Many people agree that you can use several different flowers for aquaponics, but there are some flowers that you should not use for this purpose because they simply can not grow in this environment.

Many types of flowers can be grown in an aquaponics system, but some of the best include chrysanthemums, roses, carnations, and orchids. These plants require minimal water and light to grow well and typically last between 6-12 months. 

Additionally, they produce a lot of flower petals which can be used for decoration or to make herbal teas. Some other popular flowers that can be grown in an aquaponics system include lilies (which require moderate water levels) and marigolds (a good plant for controlling pests). 

So there is something for everyone when choosing the right flowers for your aquaponics garden! If we covered you with that answer, let’s move on to the benefits of growing flowers in aquaponic systems.

Factors to Consider When Selecting Flowers for Aquaponics

Before selecting flowers for your aquaponics system, it’s important to consider various factors to ensure successful cultivation.

Temperature and Climate Suitability

Different flowers thrive in specific temperature and climate conditions. Some prefer cooler climates, while others are more heat-tolerant. Take into account the average temperature and climate of your region to choose flowers that will flourish in your aquaponics system.

Growth Habit and Size

Flowers exhibit different growth habits, including trailing, upright, or bushy forms. It’s essential to select flowers that are appropriate for the available space in your aquaponics setup. Consider the potential height and spread of the plants to avoid overcrowding and competition for light and nutrients.

Nutrient Requirements

Each flower has specific nutrient requirements. In an aquaponics system, the nutrients are derived from fish waste. Some flowers need nutrient-rich conditions, while others require a balanced ratio. Knowing your flowers’ nutritional demands can help you achieve optimal development. thrive in nutrient-rich environments, while others may prefer a balanced nutrient ratio. Understanding the nutrient needs of your chosen flowers will help you maintain the ideal balance for optimal growth.

Flowering Period and Duration

Consider the flowering period and duration of the flowers you select. Some flowers have long blooming seasons, while others bloom for shorter durations. Choosing a variety of flowers with different flowering periods can ensure a continuous display of vibrant colors and attract beneficial insects throughout the year.

Pollination Requirements

Certain flowers require specific pollinators, such as bees, butterflies, or other insects, to facilitate successful pollination and fruit development. Consider the availability of pollinators in your area and select flowers that can attract and support them to maximize the productivity of your aquaponics system.

Pest and Disease Resistance

In any gardening system, including aquaponics, pest and disease management is crucial. Look for flowers that exhibit natural resistance to common pests and diseases in your region. By incorporating such flowers, you can reduce the need for chemical pesticides and ensure the overall health of your aquaponics system.

Benefits of Growing Flowers in Aquaponics

Benefits of Growing Flowers in Aquaponics

For some people, flowers may be their best choice when choosing their plants for aquaponics for various reasons. So, let’s see some benefits of growing flowers instead of vegetables, fruit plants or anything else.

Natural Fertilizers

Aquaponics reduces chemical fertilizers because organic waste from the fish tank and the natural fertilization from the bees and butterflies are used to produce nutrients for the plants.

Recycled Water

The water that flows through the plants is not wasted; rather, it is recycled back to the fish tank. The process of aquaponics helps to keep them healthy.

Higher stocking density

The natural nitrification process in aquaponics filters out ammonia from the water before reaching dangerous levels. This allows for higher stocking density without the risk of ammonia poisoning, which would kill the fish.

Sustainable Way

Aquaponics is much more sustainable because it uses less water than traditional farming methods and does not require land use or fertilizers to grow.

Better Aesthetics

Aesthetics is another good reason to grow flowers in aquaponics systems because they give a great look with their colours and produce a beautiful smell like perfume.

These were just some of the most common and important benefits of growing flowers in your aquaponics system instead of anything else.

Which Flowers Can’t Grow in Aquaponic Systems? (flowers to avoid)

In this part, it is important to mention that not all flowers can grow in aquaponics systems for various reasons, and you want to avoid them.

Two of these reasons are macronutrients and micronutrients. These two elements are essential for flowers in order to grow and bloom buds. For example, some flowers may grow leaves, stems and twigs but not buds, which is the final part before a flower blooms. 

As a result, before choosing which flowers to grow, it is essential to decide which of them can grow in that environment without any issues and problems.

So, when choosing plants for your aquaponics system, it is important to avoid flowers that are toxic to fish or not blooming. Some flowers, like the water lily, can also hinder the growth of your plants. Here is a list of flowers to avoid when setting up your aquaponics system:

  • Tulips
  • Chrysanthemums
  • Scarlet runner bean
  • Morning glory
  • Snapdragon
  • Ethiopian oil flower
  • Marvel of Peru

Top Flowers for Aquaponics

Best Flowers to Grow in Aquaponics Systems

While many different types of flowers can be grown in aquaponics, some are better suited for this type of growth than others. 

In general, flowers that do well in aquaponics are native to aquatic or semi-aquatic environments. These flowers are typically tolerant of fluctuations in water temperature and pH and tend to be quick growing.

These kinds of flowers are all beautiful and can add a touch of style to any aquaponics setup if you’re looking for a flower that is both beautiful and easy to grow.

If you’re interested in starting an aquaponics system, here are some of the best flowers to grow:


Marigolds are probably the easiest flowers to grow in an aquaponic environment. These flowers often come in yellow, red and orange variety of colours, so they give a unique and bright colour tone to your aquaponics garden.

They need full sunlight exposure as they require plenty of sun and hot climates in order to grow. That means you need to place your aquaponic system where it gets plenty of sunlight daily. For example, a backyard is a good option to place your water garden in order to help the plants grow faster and easier.

Also, suppose you want to seed some vegetables with flowers. In that case, you have the right choice because marigolds discourage mosquitoes and other bad insects from vegetables, which makes them a perfect partner for vegetables. 

Have a look at the marigold annual mix seeds product on amazon:


Nasturtiums is one of the best flowers to grow in aquaponics

Nasturtiums are versatile and attractive flowers that thrive in aquaponics systems. These vibrant blooms come in various shades of orange, yellow, and red, adding a burst of color to your garden. Nasturtiums are known for their edible flowers and leaves, which have a peppery flavor and can be used in salads or as a garnish. These flowers also attract beneficial insects such as bees and butterflies, promoting pollination in your aquaponics setup.

Basil, Mint and Cilantro

This combination of basil, mind and cilantro is a popular choice for many people because these herbs are easy to grow, and they don’t have unique requirements like specific weather conditions and seasons because they can grow all the seasons of the year!

Also, these herbs/flowers are a great combination for aquaponics because apart from their easy growth and maintenance, mint and cilantro can also be used to decorate foods like pasta or give some foods a nice smell.

Moreover, you have the opportunity to place your aquaponic system outdoors or indoors as well because these plants can grow without so much sunlight. 

However, note that you need to ensure that the plants can get enough fresh air and avoid placing them in bedrooms or closed areas because, during the night, the plants release CO2, which is bad for humans’ health because the plants get oxygen.

Have a look at Basil, Mint and Cilantro seeds and soil by Back to the Roots on Amazon:

Sunflowers and Lavenders

Sunflowers and lavenders are among the best choices when it comes to water gardening because they can grow easily in any season of the year. Also, you can use these two types of flowers for indoor and outdoor gardening; the choice is up to you!

In addition, these two types of flowers can grow very fast without stressing if they will grow or maintain too much because they are drought tolerant. 

The seeds by the Back to the roots company are fully organic, so you don’t need to wonder if there are modified or any other genetic or technical modifications to the seeds. Even the company claims that the seeds will grow 100%, and you can contact them to help you if there is any problem.

The growth kit for these two flowers Includes a large glass mason jar, a custom-made mixture of organic soil and organic fertilizer. Sunflowers and lavenders germinate and grow quickly, so beautiful seedlings can be produced within or in just one week from seeding them.

However, if you need to plant both of these flowers, then you need to buy them separately because each flower kit is bought separately.

You can check the complete windowsill planter kit by Back to the Roots on Amazon:


Calendula is on of the Top Flowers for Aquaponics

Calendula, also known as pot marigold, is a beautiful flower with bright orange or yellow petals. These flowers have a long blooming season and are known for their medicinal properties. Calendula petals are often used in herbal remedies and skincare products due to their anti-inflammatory and soothing effects. In aquaponics, calendula flowers attract pollinators and add a cheerful splash of color to your garden.


Violas flowers for aquaponics

Violas, often referred to as pansies, are charming flowers that come in a wide array of colors and patterns. They are known for their resilience and ability to withstand cooler temperatures, making them suitable for aquaponics in various climates. Violas bloom profusely and attract beneficial insects, aiding in pollination. These petite flowers are perfect for adding a pop of color and elegance to your aquaponics system.


Borage is a versatile flower that not only adds beauty to your aquaponics garden but also serves multiple practical purposes. Its star-shaped blue flowers attract bees, enhancing pollination in your system. Borage leaves and flowers are edible and have a mild cucumber-like flavor, making them a delightful addition to salads or beverages. This hardy flower is known for its resilience and ability to thrive in diverse conditions.


Pansies are delicate and captivating flowers that come in a wide range of colors. They have a compact growth habit, making them suitable for smaller aquaponics setups or containers. Pansies are known for their long-lasting blooms and their ability to tolerate cooler temperatures. These flowers attract beneficial insects and provide a charming display of colors, adding a touch of whimsy to your aquaponics garden.


Snapdragons are striking and architectural flowers that bring vertical interest to aquaponics systems. They come in a variety of vibrant colors and have distinctive “dragon-like” blooms. Snapdragons attract pollinators such as bees and butterflies and provide a source of nectar for them. These flowers can also serve as cut flowers, adding beauty to floral arrangements and bouquets.


Summing up, in this blog post, we have mentioned some of the most essential information regarding flowers and aquaponics. In the beginning, we mentioned that you could grow flowers in an aquaponics system. Then, we mentioned the benefits of growing flowers in a water garden. Keep in mind that there are many flowers to avoid seeding because they cannot grow in that environment; otherwise, you will lose your time and effort. If you are planning to grow herbs indoors, we also provided you tips & tricks in growing herbs indoors without sunlight.

As a dedicated mother and passionate software developer, she weaves her diverse experiences into captivating stories that inspire and engage readers. Emma's love for sustainable living and environmental consciousness permeates both her personal and professional life. When she's not immersed in the world of coding and software development, Emma can be found nurturing her family and tending to her thriving organic garden. Her commitment to sustainable practices extends to every aspect of her life, from repurposing household items to embracing eco-friendly technologies.