Spiked watermilfoil (Myriophyllum spicatum)

Care, watering, light and tips for Spiked watermilfoil on Floravia.

Spiked watermilfoil

Quick facts

About Spiked watermilfoil

Myriophyllum spicatum, commonly known as spiked watermilfoil or akstusenblad, is a submerged aquatic plant from the Haloragaceae family, valued for its feathery and delicate foliage. Its stems can grow considerably, branching out and forming dense masses of finely divided leaves that resemble small green feathers. It is ideal for freshwater aquariums as a background or mid-ground plant, where it adds texture and provides shelter for small fish, or in shallow ponds where it helps oxygenate the water and keep it clear.

Native range

Europe, Asia, and North Africa

Care tips

This plant thrives with medium to high light; insufficient lighting can lead to leggy growth and loss of lower leaves. It prefers still or gently flowing water and a nutrient-rich substrate, although it can also absorb nutrients directly from the water through its leaves. The ideal water temperature ranges from 18-28°C and a pH of 6.0-8.0. A common mistake is not providing enough CO2 or nutrients, which can result in poor growth and the proliferation of algae.

How to save a dying Spiked watermilfoil

Warning signs
Soft stems, disintegrating leaves, brown or whitish discoloration. Excessive floating.
First aid
Remove dead parts. Ensure rich, deep substrate. Check water quality (pH 6.5-7.5, temp 18-28°C).
What kills it
Lack of anchoring, nutrient-poor water, excessive current or herbivorous fish. Water pollution.
Can it be saved?
Yes, if you act quickly. Propagate healthy cuttings if damage is severe. Improve aquatic environment.

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