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Melon Sword (Echinodorus Osiris)

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Melon Sword (Echinodorus Osiris)

Echinodorus Osiris, also known as Melon Sword, E. Osiris Rubra, or E. Aureobrunata, originates from Brazil. It is a beautiful and visually impactful plant in the aquarium. This sword plant produces large green leaves with slightly ruffled edges and clearly visible veins.

Caring for Melon Sword

Caring for Melon Sword is not difficult as it is an undemanding plant. It should do well in most aquarium environments. Like most other sword plants, Melon Sword likes good light, substrate, and fertilization. If planted in an iron-rich substrate or provided with a good source of iron (e.g. Liquid Iron Fertilizer), Melon Sword will produce larger leaves and stems which will be more intensely red in color. Because Melon Sword is a heavy root feeder plant, we recommend placing root caps in the substrate around the plant.          

  • Minimum Lighting Required: Moderate
  • Temperature Range: 70-82°F
  • Tank Placement: Midground - Background

Because of its size, Melon Sword can be used as a focal plant in the aquarium. It should be planted in the midground or background areas of the aquarium. It can also be used to “cover” aquarium equipment such as aquarium heaters or filter intakes. Many fish love to swim among the leaves of this sword plant while others, like Discus Fish and Angelfish, will even lay their eggs on them.

We also offer Melon Sword potted, and many other varieties of sword plants, including Amazon Sword, Red Melon Sword, and Red Flame Sword.

Plants at Modern Aquarium

At Modern Aquarium, we strive to bring you healthy, beautiful specimens in every order. While the photos on our website are just examples of what you will receive, we do examine each plant in person before shipping it to you. If you have any questions about what to expect from your order, how to plant your new specimen, or the best starter plants for your tank, reach out to us any time!

Reviews (5)

  • 4
    nice plant
    Posted by J, Robert Stanley on 30 Dec 2020

    nicely shaped

  • 4
    Pretty plant
    Posted by Rachel Bond on 7 Jul 2020

    I ordered the set of 2 small melon swords but I think I got just 1 medium instead as it's quite tall (which is fine because my tank is very tall) Pretty plant and I enjoy looking at it

  • 5
    big healthy plants
    Posted by ELR on 19 Jun 2020

    I ordered 2 medium and each one is 8-10" tall with 6-8 big leaves and a big root ball. Really healthy looking. I'm so pleased!

  • 5
    Melon sword
    Posted by James on 12 Jun 2020


  • 5
    Exactly as depicted!!
    Posted by Kendra on 28 May 2020

    My melon sword is striking! The stems and leaves grow at aesthetic angles, and I appreciate the strong root system. I root tabbed this thing heavily, and since it's been planted roughly a week ago, I've seen two new leaves! No melt yet!