📚 Table of Contents
- What is Hygrophila?
- Popular Types
- Care & Growth
- Pruning & Propagation
- Aquascaping Applications
- Frequently Asked Questions
- Conclusion
🌱 What is Hygrophila?
Hygrophila is a genus of aquatic plants in the Acanthaceae family. In aquariums, it is particularly valued for its rapid growth, diverse leaf colors, and purifying effect. The plant is particularly effective at absorbing nitrate and other waste products from the water.
🌸 Popular Hygrophila Species
| Kind | Leaf color | Height | Difficulty level |
|---|---|---|---|
| Hygrophila polysperma | Light green to reddish | 20–40 cm | Easy |
| Hygrophila corymbosa | Dark green | 30–60 cm | Easy |
| H. corymbosa 'Siamensis' | Green with purple underside | 30–50 cm | Easy |
| Hygrophila pinnatifida | Olive green with reddish-brown accents | 15–40 cm | Average |
💧 Care & Growth
- Light: Moderate to strong
- Temperature: 20–28°C
- pH: 6.0–7.5
- CO₂: Recommended for compact growth
- Food: Liquid food + carrot tablets (for some species)
Hygrophila is a true growth champion. Provide adequate nutrition and prune regularly to prevent overgrowth. Lack of light or nutrients can cause the plant to lose its lower leaves.
✂️ Pruning & Propagation
Prune by pinching the plant above a leaf node. Replant the cuttings in the ground to encourage new stems to form. This creates a dense, bushy clump.
- Prune weekly when growth is strong
- Remove lower leaves for air circulation
- Runners (e.g. in pinnatifida) can be cut loose and moved
🎨 Aquascaping Applications
Hygrophila fits well in all kinds of aquascaping styles. Use it as a background plant or as a color contrast between slow-growing varieties.
- Pinnatifida : Attach to wood or stone for rough texture
- Polysperma : Vigorous growth in Dutch-style aquariums
- Corymbosa : Robust as a background plant
❓ Frequently Asked Questions
Is Hygrophila suitable for beginners?
Yes, most varieties are very forgiving and fast growing.
Why is my Hygrophila losing leaves at the bottom?
Often due to a lack of light or nutrients. Regular pruning and feeding helps.
Can Hygrophila grow above water?
Yes, many species can also be kept as emergent plants, for example in a paludarium.
✅ Conclusion
Hygrophila is a reliable, fast-growing plant that contributes to a healthy aquarium ecosystem. Whether you're just starting out or have years of experience, Hygrophila brings color, structure, and balance to your underwater world. Thanks to its many varieties, there's always a variety to suit your style.
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