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Sagittaria subulata is common and widespread
in South and North America. It is a modest
plant and therefore a good starter plant, though it prefers a relatively fine
substrate. The narrow leaves it placed in a rosette and tubers are sometime
set on the offshoots. Placed in the foreground it soon develops a dense cover
from offshoots. For years Sagittaria subulata maintains its low growth
form but dependent on for example age, light intensity and population density
it suddenly stretches up to a height of 50 cm and sets flowers. Such plants
are often mistaken for Vallisneria. Replanted in the background of the
aquarium Sagittaria subulata often turns back into the low growth
form.
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