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Hygrophila polysperma

Dwarf Hygrophila

°C
°dKH
Aquarium suitability: yes
Usage: Background
Difficulty: very easy
Growth: very fast

Availability [?]: 
  • frequently available commercially

Common names: 
  • Dwarf Hygrophila
  • Dwarf Hygro
  • Indian waterweed
  • Miramar weed

Synonyms: 
  • Adenosma polysperma (Roxburgh) Sprengel
  • Hemiadelphis polysperma (Roxburgh) Nees
  • Justicia polysperma Roxburgh

Habit, plant type:

  • stem
Botanical name [?]: Hygróphila polyspérma (Roxb.) T.Anderson

Major group (unranked): Seed plants: Flowering plants (Angiosperms)
Order: Lamiales
Family: Acanthaceae
Genus: Hygrophila

Description: 

Hygrophila polysperma is a robust and highly adaptable plant originating from India and Bhutan. There is also brown variety native to Sri Lanka, which has been brought into trade by the aquatic plant nursery Tropica and is sold under the name Hygrophila polysperma "Ceylon". It is very widely spread in the hobby and can be obtained in most aquarium shops.

There are only few aquarium plants as robust and undemanding and grow as well. Light intensity does not play an important role for its growth. Under less intensive light, the plant grows slower and develops smaller leaves, though. Its nutrient requirements are easily satisfied, too. Water hardness has no influence whatsoever on its growth rate. It doesn't require any CO2 injection, either. In a nutshell: Hygrophila polysperma is the perfect plant for beginning aquarium keepers.

Hygrophila polysperma forms many lateral shoots, which makes propagation extremely easy. Just cut off some lateral shoots or the top shoot and re-plant into the substrate. As it is a very fast grower, the plant has to be trimmed every 2 to 3 weeks anyway.

A group of H. polysperma stems is a great eyecatcher, especially suited for the middleground of an aquarium.

Light low to high 
Temperature tolerance 4 to 35 °C
Optimum temperature 22 to 28 °C
Carbonate hardness 2 to 21 °dKH
pH value 5 to 8 
Carbon dioxide (CO2) 5 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: very fast

Propagation: Cuttings

Can grow emersed?: yes

Suited for outdoor cultivation / ponds: unknown

Winter hardiness: unknown

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TODO Hygrophila polysperma is also known as Dwarf Hygrophila, Dwarf Hygro, Indian waterweed and Miramar weed. TODO

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.