Vallisneria Americana "Gigantea"

Vallisneria americana "gigantea" - the current and therefore correct name is Vallisneria americana var. americana Michaux - is a vigorous but also space-requiring plant. Most forms can produce leaves of up to two meters in length and even in rather deep tanks these will reach the surface where they are effective competitors for light. The leaves may be cut down but this, of course, reduces the plant growth and also it does not look very nice, and it consequently performs best in large show aquaria. 

This plant shows optimum growth in hard waters with moderate to intense flow.

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