Eleocharis acicularis

Aquarium suitability: yes
Usage: Midground, Nano tanks, Foreground, group, Foreground, ground cover
Difficulty: easy
Growth: medium

Availability [?]: 
  • frequently available commercially

Habit, plant type:

  • rhizome or creeping stem
Botanical name [?]: Eleócharis aciculáris (L.) Roem. & Schult.

Major group (unranked): Seed plants: Flowering plants (Angiosperms)
Order: Poales
Family: Cyperaceae
Genus: Eleocharis


Eleocharis acicularis, commonly known as dwarf hairgrass or spikerush, is distributed almost globally. It can be found on the edges of ponds and in shallow water in Central Europe, too. It has been known as aquarium plant for a very long time and is also on sale as pond plant quite regularly.
The hairlike, thin and rather upright leaves of the submersed form are of a medium green and grow to a length of about 10 to 20 cm.
Eleocharis pusilla (often sold under the name "E. parvula") is quite similar to E. acicularis, but its submersed form stays smaller (grows only 5 cm high) and is of a light green colour under the same conditions, and its leaves are bent.

- To be continued -

Light medium to high 
Temperature tolerance 4 to 27 °C
Optimum temperature 20 to 25 °C
Carbonate hardness 0 to 14 °dKH
pH value 5 to 7.5 
Carbon dioxide (CO2) 15 to 40 mg/l
Nitrate (NO3-) 10 to 50 mg/l
Phosphate (PO43-) 0.1 to 3 mg/l
Potassium (K+) 5 to 30 mg/l
Iron (Fe) 0.01 to 0.5 mg/l

Growth: medium

Propagation: Runners, Splitting, cutting off daughter plants

Can grow emersed?: yes

Suited for outdoor cultivation / ponds: yes

Winter hardiness: hardy in Germany

There is no detailled information for cultivating this plant yet.
Aquascaping: forms a grass-like lawn

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Wasserpflanzen sind ein fester Bestandteil der meisten Aquarien. Beim Aquascaping, dem Naturaquarium, Biotop-Aquarium oder dem Gesellschaftsaquarium sind Wasserpflanzen nicht nur für die Wasserqualität entscheidend, sondern sorgen auch stets für eine optische Aufwertung des Aquariums.