Anacharis, also known as Elodea, is a popular aquatic plant often used in aquariums and ponds. Its vibrant green color and ease of care make it a favorite among hobbyists. But a crucial question for successful cultivation is: does anacharis need to stay fully submerged? The short answer is yes, absolutely. Anacharis thrives in completely submerged conditions and will not survive if exposed to air for extended periods.
Why Anacharis Needs to Remain Submerged
Anacharis is a fully aquatic plant, meaning it has adapted to life entirely underwater. Unlike terrestrial plants that obtain carbon dioxide from the air through stomata (tiny pores on their leaves), anacharis absorbs CO2 directly from the water. Exposing its leaves to air disrupts this process and can lead to wilting, browning, and ultimately, death. The plant's leaves lack the protective mechanisms necessary to withstand desiccation (drying out) in air.
What Happens if Anacharis is Partially Submerged?
If even a portion of the anacharis plant is exposed to air for any length of time, several negative consequences can occur:
- Wilting and Browning: The exposed leaves will begin to lose water and wilt. They'll turn brown and brittle as they dry out.
- Reduced Growth: The plant will struggle to photosynthesize effectively, leading to stunted growth and a weakened overall state.
- Increased Susceptibility to Disease: A stressed anacharis plant is more vulnerable to bacterial and fungal infections.
- Ultimately, Death: Prolonged exposure to air will ultimately kill the plant.
How to Ensure Anacharis Stays Submerged
Keeping your anacharis fully submerged is relatively straightforward. The key is to:
- Maintain Appropriate Water Levels: Ensure the water level in your aquarium or pond is sufficient to completely cover the plant.
- Regular Trimming: Regularly trim back overgrown anacharis to prevent it from reaching the surface and becoming partially exposed.
- Proper Planting: When planting, make sure the roots are firmly anchored in the substrate and the entire plant remains underwater.
- Consider Water Flow: Good water circulation helps prevent the leaves from floating to the surface.
How Deep Does Anacharis Need to Be Planted?
Anacharis doesn't require deep planting; it can flourish even if its roots are only lightly embedded in the substrate. The important aspect is that the entire plant remains submerged, regardless of planting depth.
Can Anacharis Survive Out of Water, Even Briefly?
No, anacharis cannot survive out of water, even for short periods. Unlike some semi-aquatic plants that can tolerate brief exposure, anacharis requires constant submersion for survival.
Can I Propagate Anacharis if Some Stems are Partially Out of Water?
While you can propagate anacharis by simply planting cuttings, doing so while even a portion of the stem is exposed to air is not recommended, as it will greatly diminish the cuttings' chances of survival. Always ensure cuttings are completely submerged for successful propagation.
By understanding anacharis's specific needs and taking the necessary precautions, you can ensure your plants thrive and add beauty to your aquatic environment. Remember, consistent submersion is paramount to its health and longevity.
