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Italiano19 Apr VALLISNERIA technical description and management (all varieties)
Name: Vallisneria
Family: Hydrocharitaceae
Origin and Habitat: It comes from Hydrocharitaceae family and it is the most common variety of aquatic plant, its ancient origin is Asian but is diffused around all over the world for its durability and ease adaptation.
It’s totally submerged plants and develop very high ribbon leaves like almost vitrified. The variety Vallisneria is often recommended for beginners because it is very simple to manage and can leave well both in acidic water or hard water, can resists in water which shows a high conductivity (high microsiems also 1000). It is characterized by an exceptionally fast growth so you must place it on background, you must to be sure that the tank has a height suited to the growth of this variety, once the leaf meets the water surface, continues to grow on it, and give a sense of fluctuation and movement in the aquarium.
VALLISNERIA GIGANTEA: It is the largest variety of Vallisneria, in the natural environment can reach a height of 2 meters. The leaf has a thickness which can be up to 3/4 cm and the extremities are characterized by a dark color almost dark brown, this does not mean that the leaves are not healthy. It is very fast and you have to choose large tanks, it is also the most durable, can leave from 16° to over 30° Celsius.
VALLISNERIA SPIRALIS: Very similar to the Gigantea values and maintenance, it only changes the morphology of the leaf which has a reduced height and a narrower width, about 2cm. It characterized by a lighter green color.
VALLISNERIA RUBRA: Very similar to the Gigantea values and maintenance, has a more rigid leaf, the same Spiralis size but characterized by a more dark red color, in bright red light appears more bright red.
VALLISNERIA NANA: Very similar to the other Vallisneria requirements, very strong and fast growth. Geographical origin of this variety is from Australia. Presents very narrow leaves, the fundamental difference to the other Vallsineria is the thickness, very thin leaf almost less than 1 cm, and with a more reduced growth in height almost 50 cm max. It should however be positioned on background.
VALLISNERIA TORTA: Very easy and similar to other Vallisneria requirements, is characterized by reduced ribbon leaves, about 25 cm height, but with the peculiarity of having twisted leaves like a spiral.
Reproduction and moltiplication: It reproduces very easily, thanks to the production of many stolons, you can also duplicate for insemination once the flower emerges from water.
Fertilizer and substrate: It can also stand in tanks with little light and no CO2 system, but it needs a lot of substrate ( not less then 10 cm) because the variety is characterized by substantial root system with many stolons, which soon will become plants, it’s recommended a rich integration of fertilizer.
Price for jar about 6/7 €.
Ideal temperature range: 16 ° – 30 ° Celsius
Light demand: medium
Growth Speed: Fast
GH ranhe: 7 – 30
PH range: 6 – 8
Grow difficulty: Easy