1. Introduction
Child: Professor, could you tell me about that beautiful underwater forest that I’ve seen in aquariums? It reminds me of the enchanted forests from “A Midsummer Night’s Dream” where magical creatures dwell. Do you think Shakespeare could’ve been inspired by aquatic plants?
Professor: Ah, you have quite the imagination, young one! While it’s unlikely that Shakespeare had aquariums in mind while writing his plays, aquatic plants do indeed provide marvelous underwater landscapes for our aquatic friends. One such beautiful plant is called Hygrophila polysperma, which we’ll explore today. For this article, we will delve into its characteristics, cultivation, precautions, and other essential information, so you can create your very own Shakespearean underwater world!
2. Characteristics
Child: Like leaves of grass that Walt Whitman loved, Hygrophila polysperma seems to have quite interesting leaves, too. Can you share more about its appearance, Professor?
Professor: Splendid connection, my curious friend! The Hygrophila polysperma, also known as dwarf hygro, is an aquatic plant that features beautiful green leaves that resemble the shape of a lance. Typically, these leaves grow in pairs opposite each other on a single stem, giving the plant a lush and bushy appearance. Depending on the variety and lighting conditions, the leaves can be hue from bright green to a pinkish or reddish hue.
Regarding its use in aquarium layouts, Hygrophila polysperma is a versatile choice. Planted as a background or mid-ground plant, it can create a dense forest or a curtain-like partition area. In larger aquariums, its lushness provides great visual impact, while in smaller tanks, it can be kept trimmed to a manageable size, creating a verdant focal point.
3. Cultivation
Child: Professor, in “The Secret Garden,” Mary discovers her love for plants, even though she had no prior experience. Is cultivating Hygrophila polysperma a journey fit for beginners, or should it be reserved for seasoned horticulturists like Mary would’ve become in adulthood?
Professor: What an excellent question! Fortunately for you, cultivate Hygrophila polysperma is beginner-friendly, making it a perfect choice for newcomers to aquatic gardens. They are quite adaptable when it comes to water parameters and can thrive in a wide range of light and temperature conditions.
For optimal growth, Hygrophila polysperma prefers moderate lighting and will appreciate the addition of CO2. However, it can also adapt to lower light levels. In terms of water parameters, it is quite tolerant, but generally speaking, it prefers a pH of 5 to 8, a GH of 1 to 20 dGH, and a temperature between 70-82°F (21-28°C). The substrate can be either sand or gravel, and it does appreciate some added fertilizers.
As for propagation, it’s quite simple; when the stems grow too long, trim them, and just replant the cut stem in the substrate. It’ll grow roots and establish itself as a new plant. Additionally, if allowed, it can grow above the water surface, where it will produce lovely lavender flowers.
4. Precautions
Child: In “20,000 Leagues Under the Sea,” Captain Nemo warned about the dangers of the underwater world. Are there any precautions we need to take with Hygrophila polysperma, Professor?
Professor: Another great reference! There are a few precautions to consider when cultivating Hygrophila polysperma. While it is generally a peaceful cohabitant in aquariums, it may be too overpowering for small, slow-growing plants due to its fast growth. Regular trimming is crucial to allow light to penetrate the aquarium and prevent other plants from being choked out.
Additionally, some countries, such as the USA, have this plant listed as an invasive species. So, be responsible and not discard the plant or its cuttings in natural water bodies. Lastly, be aware that some fish or invertebrates may be tempted to nibble on the soft leaves of Hygrophila polysperma, so choose your tank mates wisely!
5. Summary
Child: Now that I know more about this beautiful aquatic plant, it seems like the garden in “The Little Prince” that he loved so much, doesn’t it, Professor?
Professor: Indeed, my young friend, the lush beauty of Hygrophila polysperma can transform any aquarium into a magical underwater kingdom, akin to the visions of countless literary works! Its resilience and adaptability make it an excellent choice for beginners while also providing a stunning backdrop for your aquatic inhabitants. Be sure to follow the cultivation advice, pay attention to the precautions, and enjoy the breathtaking scenery that Hygrophila polysperma brings to your aquarium!