Updated: July 23, 2023

Water plants are a beautiful addition to any outdoor space. They provide a serene and calming atmosphere, as well as add visual interest to ponds, lakes, and even small containers. Growing water plants outdoors may seem intimidating, but with the right knowledge and a little bit of effort, you can create a stunning aquatic garden. In this article, we will guide you through the steps of growing water plants outdoors.

Step 1: Choose the Right Location

The first step in growing water plants outdoors is to select the right location for your aquatic garden. Water plants require at least six hours of direct sunlight per day, so choose an area that receives ample sunlight. Additionally, make sure the location has easy access to a water source for regular watering. If you have a natural pond or lake in your backyard, that would be an ideal spot. However, if you don’t have a natural water feature, you can create one using large containers or even dig a small pond.

Step 2: Prepare the Water Garden

Once you have chosen the location, it’s time to prepare the water garden. If you are using a container, make sure it is large enough to accommodate the size of the plant and has drainage holes to prevent waterlogging. For ponds or natural water features, remove any debris, rocks, or weeds from the area.

Next, line the container or pond with a pond liner or waterproof material to prevent leaks. Fill it with clean and chlorine-free water. You can use tap water that has been left out for at least 24 hours to allow chlorine to dissipate. Alternatively, collect rainwater for an eco-friendly option.

Step 3: Select the Right Water Plants

Choosing the right water plants is crucial for a successful aquatic garden. There are various types of water plants available, each with its own specific requirements and characteristics. Some popular choices include water lilies, lotus plants, water irises, and floating plants like water lettuce and water hyacinth.

Consider the size of your water garden when selecting plants. Larger ponds can accommodate larger plants, while smaller containers are better suited for compact varieties. Additionally, check the hardiness zone of the plants to ensure they can survive in your climate.

Step 4: Planting

Once you have selected your water plants, it’s time to plant them. The planting process will vary depending on the type of plant and its specific needs. Here are some general guidelines:

  • Water lilies and lotus plants should be planted in containers filled with aquatic soil. Place them in the deepest part of the pond or container, ensuring that the leaves float on the surface.
  • Water irises can be planted along the edges of the pond or container. Dig a hole and place the plant, making sure the crown is level with the soil surface.
  • Floating plants like water lettuce and water hyacinth can simply be placed on the water’s surface.

Remember to space out the plants to allow room for growth and prevent overcrowding.

Step 5: Maintenance

To ensure the health and vitality of your water plants, regular maintenance is essential. Here are some key tasks to keep in mind:

  • Watering: While water plants are already submerged, they still require regular watering. Ensure that the water level remains consistent, especially during hot summer months when evaporation rates are high.
  • Fertilizing: Water plants benefit from regular fertilization. Use a slow-release fertilizer specifically formulated for aquatic plants. Follow the instructions on the package for application rates.
  • Pruning: Regularly remove dead or decaying foliage to maintain a tidy appearance and prevent disease.
  • Pest Control: Monitor your water garden for pests like aphids or snails. Remove them manually or use organic pest control methods to prevent damage to your plants.

Step 6: Winter Care

Winter care is crucial for the survival of your water plants. Depending on your climate, you may need to take different measures to protect them during the colder months. Here are some tips:

  • Move potted water plants indoors or to a protected area to shield them from freezing temperatures.
  • In ponds or natural water features, lower the water level to prevent ice damage. You can also install a pond heater or aerator to keep the water circulating and prevent it from freezing completely.
  • For hardy water plants, simply leave them in the water and trim back any dead foliage. They will go dormant during winter and start growing again in spring.

By following these steps, you can successfully grow water plants outdoors and create a stunning aquatic garden. Remember to choose the right location, select suitable plants, and provide regular maintenance. With time and care, your water plants will thrive, adding beauty and tranquility to your outdoor space.