Hygrophila polysperma
Hygrophila polysperma
Hygrophila polysperma is a stem plant that can reach 50 cm in height. Its leaves are opposite, oval to lanceolate, light green. It has very fast growth, making it an excellent starter plant. It can be grown submerged or emersed. Its roots develop easily. It is often used as a background plant. It can become invasive if not pruned regularly. It tolerates a wide range of conditions.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 18–28 |
| pH | 6–8 |
| GH | 2–20 |
| KH | 2–15 |
| NO₃ | ≤ 40 |
| PO₄ | ≤ 3 |
Care
Care notes
This plant does not require CO2 or strong lighting; low to medium light is enough. Temperature 18-28 °C, pH 6.0-8.0, GH 2-20 °d. It grows even in hard water. Nitrates can be high (up to 40 mg/L) without issue. Frequent pruning is needed to control growth. It propagates easily from cuttings. Minimum tank volume 20 L. Compatible with all fish. Caution: it can be invasive in some regions.