Ludwigia × lacustris

Lake Ludwigia

Aquarium suitability: yes
Usage: Background, Midground
Difficulty: easy
Growth: fast
Range and localities: 

Ostküste der USA, verstreute Fundorte von Rhode Island bis Georgia

Availability [?]: 
  • rarely or not available commercially
  • rarely or not available from other aquarists

Common names: 
  • Lake Ludwigia

  • Ludwiga brevipes × palustris

Habit, plant type:

  • stem
Botanical name [?]: Ludwigia × lacustris Eames

Major group (unranked): Seed plants: Flowering plants (Angiosperms)
Order: Myrtales
Family: Onagraceae
Genus: Ludwigia


Ludwigia x lacustris is a very rare natural hybrid of L. brevipes and L. palustris. It is found in some locations in the east and south-east of the USA. As aquarium plant, this narrow-leaved Ludwigia is not very well-known yet.
Curiously, some of the areas where L. x lacustris occurs are outside the distribution area of L. brevipes, which is mainly found in the south-east of Virginia as well as in North and South Carolina. Where L. x lacustris occurs in nature it grows abundantly and sometimes even outpopulates its parent species.

- To be continued -

References and further reading:
  1. Allen, Cavan (2010): Plant of the Month: Ludwigia x lacustris. - TFH Magazine Issue November 2010.
Light medium to high 
Temperature tolerance 4 to 30 °C
Optimum temperature 22 to 26 °C
Carbonate hardness 2 to 15 °dKH
pH value 5 to 8 
Carbon dioxide (CO2) 10 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: fast

Propagation: Cuttings

Can grow emersed?: yes

Suited for outdoor cultivation / ponds: unknown

Winter hardiness: unknown

There is no detailled information for cultivating this plant yet.
Aquascaping: well-branched, bushy

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Trading possible?
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TODO Ludwigia × lacustris is also known as Lake Ludwigia. 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.