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Datasheet
| Aquarium Compatible | yes |
| Plant Outdoor | yes |
| Plant Emersed Growth | unknown |
| Plant Growth | very fast |
| Temperature Tolerance | 4°C / 39.20°F - 30°C / 86.00°F |
| Temperature | 15°C / 59.00°F - 25°C / 77.00°F |
| Carbonate Hardness | 2-21 kh |
| pH Value | 5-9 ph |
| Light | medium-high |
| Carbon Dioxide (CO2) | 5-40mg/lmg/l |
| Nitrate (NO3-) | 10-50mg/lmg/l |
| Phosphate (PO43-) | 0.1-3mg/lmg/l |
| Potassium (K+) | 5-30mg/lmg/l |
| Iron (Fe) | 0.01-0.5mg/lmg/l |
General Description
Eurasian watermilfoil, scientifically known as Myriophyllum spicatum, is a common aquatic plant predominantly found in Europe and Asia, with a presence extending to the African tropics. This species, part of the Haloragaceae family, holds the distinction of being the most prevalent of the Myriophyllum species native to Germany. Notably, it has been introduced to North America, where it has crossbred with native species, leading to invasive weed growth. Myriophyllum spicatum typically thrives in nutrient-rich aquatic environments such as lakes and rivers, provided they are not excessively contaminated. During the summer, this plant produces flower spikes that emerge from the water, a characteristic that inspired its species name, "spica," translating to spike.
Aquarium Suitability
Myriophyllum spicatum is considered suitable for aquariums, particularly in coldwater or temperate setups, and is prized for its hardy nature. While this plant is recognized for its fast growth rate, aquarists should be prepared to trim it regularly. Although not as visually striking as some other Myriophyllum species due to its larger leaf whorls and relatively small leaves, M. spicatum can enhance the aesthetics of tanks designed around natural biotopes. Additionally, it is a popular choice for garden ponds, where it may develop a white limestone build-up on its leaves in hard water conditions.
Demands and Hardiness
Eurasian watermilfoil has been classified as an easy plant to care for, making it suitable for both novice and experienced aquarists. It exhibits rapid growth and thrives in a range of water conditions. With a preference for medium to high light levels, this plant can tolerate varying temperatures, including colder climates.
Aquascaping & Usage
In aquarium setups, Myriophyllum spicatum is typically utilized in the background or midground to add depth and texture to the aquatic environment. Its fine-leaved structure contributes to a natural-looking tank layout, especially in setups aiming to replicate specific biotopes.
Propagation
Propagation of Myriophyllum spicatum is primarily achieved through cuttings, a method commonly used by aquarists to expand their plant collection or fill out existing tanks.
Habitat and Distribution
This species is commonly found in aquatic plant zones of lakes and rivers in Europe and Asia, with a notable presence in Germany. Its adaptability has also led to its introduction into North America, where it has become an invasive species in some regions. Myriophyllum spicatum's ability to thrive in diverse habitats underscores its resilience and widespread distribution.