Hygrophila serpyllum

Hygrophila serpyllum

  • Also known as "Staurogyne sp. 'Brown'"
  • Little known novelty
  • Green to brown tones
  • Low, carpet-forming
  • Multi-flowering as an emersed plant
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Foreground ground cover for aquariums

Foreground ground cover

Foreground group for aquariums

Foreground

Middle ground plant for aquariums

Middle ground

Aquarium plant for nano aquariums

Nano aquarium

Difficulty of the aquarium plant
Difficulty Medium
Growth of the aquarium plant
Growth Medium
Light above the aquarium
Light Medium
Maximum water hardness for this aquarium plant in the aquarium
Water hardness max. Soft
Care height of aquarium plants
Recommended care height 5-20 cm
CO2 in the planted aquarium
CO2 Yes

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Description

Hygrophila serpyllum is a small, creeping plant that is widespread in India. It colonises various wetlands that are periodically flooded and fall dry. This species is very different from other Hygrophilas in the aquarium hobby. Known to science for a long time, it has only become known as an aquarium plant in recent years. In the underwater form, the shoots grow creeping and branched, also hanging down from an elevated planting site, and root at the stem nodes. They form a mat at least 3 cm high, or a broad bush over 5 cm high if there is relatively little light. The approximately 1 to 1.5 cm long, roundish leaves are reminiscent of those of pennywort (Lysimachia nummularia), which however grows upright submerged. The stems are very thin but relatively tough.
In its emersed form, the plant also forms a small-leaved mat, but also upright flowering shoots with several small white-blue flowers. The specific epithet serpyllum, ‘wild thyme’, refers to the appearance of this Hygrophila, which forms low, richly flowering mats in the terrestrial form.

The Marsh carpet is a fairly easy, relatively fast-growing aquatic plant. It makes no particular demands on pH value and water hardness; the CO2 requirement is moderate. A complete supply of macro and micronutrients via the water column is very favourable for growth. Light requirements are also moderate, but strong lighting promotes low, creeping growth. It is best to place clumps of several shoots at some distance from each other in the substrate. The creeping shoots will form a closed mat over time. It is also possible to grow a wide bush, especially with moderate lighting.

The little-known Hygrophila serpyllum is a beautiful addition to the aquarium flora. This easy ground cover is somewhat reminiscent of Micranthemum tweediei, but has much larger leaves.
This Hygrophila from India also looks very interesting as an emersed plant for emersed setups such as well-lit paludariums and wabi-kusa, as it grows into a mat covered with lots of small white and blue flowers.

How many plants do I need?

How big is the area to be planted? (cm)

General information

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Weight
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Questions and answers about Hygrophila serpyllum

You have questions about this product? Ask other customer or our support team about this product!

Hi, what temperature range should be kept? Could this plant also be kept in a tank without a heater at a minimum of 16 degrees? Best regards
Translated from German
Torben C.
Dec. 2024
Lisa Pogodda
Dec. 2024
For Hygrophila serpyllum, 24-29°C is given as the optimal temperature, and it should not be kept below this optimum for extended periods.
Translated from German
Helpful!
Why does it say maximum soft for water hardness, while the description says it is very tolerant? So which one is correct?
Translated from German
Thomas S.
Apr. 2025
Sven Breitenbach
Apr. 2025
Support
Hygrophila serpyllum also thrives in medium water hardness.
Translated from German
Helpful!
Does it absolutely have to go into the substrate, or can it also grow as an epiphyte, like Tripartita?
Translated from German
Nico G.
Dec. 2025
Sven Breitenbach
Dec. 2025
Support
H. serpyllum is not suitable as an epiphyte, since it doesn't develop any attachment organs, and it should be planted in the substrate.
Translated from German
Helpful!

Customer reviews

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Patrick W.
Beautiful species..
5th August
Hygrophila serpyllum - 1-2-GROW!
Hygrophila serpyllum - 1-2-GROW!

I love the way the leaves look, it's actually quite a versatile plant. It will grow on rocks if you attach it, driftwood, sown in soil etc. (read more)