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Plant Type

Stem Plant

Growth Difficulty

Intermediate / Medium

Plant Height

0-10cm (0-3.9 Inches) High

Plant Width

Plant Position / Usage

Nano Tanks - Stays Small

Co2 Requirements

Recommended (Medium light)

Growth Rate


Light Requirements

High Light (50+ PAR)

Temperature Tolerance

18 to 28 °C°F (Fahrenheit)

PH Range

5 to 7 pH

Carbonate Hardness

0 to 18 °dKH °KH (dKH)

Can Be Grown Emmersed?








  • Common Names - Synonyms:
    Dwarf baby tears, HC
    Origin - Distribution:
    • Caribbean Islands
    This popular, small leafed plant is often shortened as ‘HC’ and is now a staple in the hobby.

    CO2 is by and large required. Hemianthus callitrichoides ‘Cuba’ will survive and grow slowly in non-CO2 injected aquarium if low /no competition for CO2 is present. Although this plant is not particularly demanding in terms of nutrients, nitrate levels and all macronutrients need to be added to the aquarium.

    If enough light and space is provided it has a creeping habit. However, when the carpet is complete it will start growing up. It requires frequent trimming to keep the carpet low and healthy. If trimming is delayed for too long, it will detach from the substrate, partly because the root system is not heavily developed.

    While this is definitely a foreground plant, it will also grow attached to hardscape, such as in wood nooks.

    The plant adapts easily to emersed growth. As such, one can start an aquarium with mainly HC using the Dry Start Method (DSM). The reverse, adapting to submersed growth required good amounts of CO2. Cell cultured plants seem to make the transition a little easier. Separate the culture in small parts aprox 1cm long using a sharp pair of scissors. The plants can be pushed deep into the substrate
  • Photo 1,2,3: Hemianthus callitrichoides "cuba" , submersed. Source : Mihai Zamfir (Allwissend), 2017. All rights reserved. Used with permission.
    Photo 4,5,6: Hemianthus callitrichoides "cuba". Source : Drakthul, 2014. All rights reserved. Used with permission.

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