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Aquarium and pond equipment at the best prices!
For those passionate about aquariophily
Having trouble finalizing your order? Contact us 24 hours a day by email at information@zoanthus.fr.
Basin Analysis
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Balling Products
Seawater supplements
Basic elements
Fresh Water Supplements
CO2 system
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Water treatment
Bacterial Treatments
Adverse Treatments
Fish Care
Water treatment
Bacterial Treatments
Adverse Treatments
Fish Care
Water treatment
Bacterial Treatments
Fish Care
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Sand
Substrate for reactor
Sea Salts
Pond Substrate
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Seawater Equipment
Basin Equipment
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Heteranthera zosterifolia , also known as Stargrass, is a beautiful aquatic plant native to South America, famous for its rapid growth and dense, star-shaped foliage. Perfect for enhancing the background of aquariums, it easily creates a lush, bushy effect. This plant can reach between 30 and 50 cm in height and has the advantage of producing pretty little blue flowers if it reaches the surface in an open aquarium. Easy to propagate by cuttings, it appreciates bright light, a regular supply of nutrients and a moderate CO2 system. Ideal for adding a touch of tropical and dynamic nature to any type of aquarium.

Heteranthera zosterifolia, or Stargrass, has thin, bright, star-shaped leaves that make it particularly attractive. It grows very quickly, making it an ideal plant for those looking to quickly add life to their aquarium. It thrives in intense light, essential for its health and lush appearance. With good lighting and a regular supply of liquid nutrients, it will be able to fully develop and reveal its full decorative potential.
Thanks to its ease of propagation, you simply need to cut off already rooted stems to replant elsewhere in the aquarium. This ability makes Stargrass particularly economical and easy to manage, even for beginners. It prefers a fine substrate but will easily adapt to simple aquarium sand. However, be careful not to space the plants too far apart so that they maintain a good density without disturbing each other.
In terms of water parameters, Heteranthera zosterifolia appreciates soft to medium soft water (GH between 1 and 6 ideally) and slightly acidic to neutral water (pH between 5.5 and 7.5). The addition of CO2 is strongly recommended to maintain its dense structure and prevent the plant from becoming fragile and stretched. On the other hand, it does not tolerate strong water currents well, so prefer gentle filtration or regular maintenance of your filter cleaning .
Finally, when the stargrass reaches the water's surface, it sometimes develops delicate blue flowers, adding a unique and natural touch to your aquarium. To encourage this bloom, an open aquarium is necessary.
Heteranthera zosterifolia requires regular pruning to maintain a dense and attractive appearance. Once it reaches the surface, it's recommended to shorten the stems to mid-height to encourage healthy, dense growth at the base. You can then replant the resulting cuttings to further enhance your aquatic decor. Regular maintenance will allow you to fully enjoy its magnificent, bright foliage while maintaining a beautiful harmony in your aquarium.

For optimal growth of Heteranthera zosterifolia, it is recommended to use a good CO2 system and intense lighting to meet its high energy needs. Regular feeding of liquid fertilizers will enrich the water with essential nutrients, ensuring rapid and healthy growth. Avoid hard or overly alkaline water, which can damage the leaves and make the plant fragile.
Respecting these few simple conditions will allow you to have a green aquarium full of vitality, worthy of the most beautiful natural aquatic landscapes.
What they think about it
(and they are right...)
Nicolas M.
- (Translated review)