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Myriophyllum mattogrossense comes from the tropical lowlands of South America. This species is relatively new as aquarium plant, even though its name has long been known in the hobby. True M. mattogrossense is all green, and was first imported from Eduador by Christel Kasselmann in 1990. Its popularity has been growing ever since due to its beauty and easy cultivation. It is relatively often found in trade now.

This milfoil is one of the easier-to-cultivate plants. At least medium light (0.5 watts per litre or above) should be provided, though. M. mattogrossense is especially suitable for medium-lit tanks with no CO2 injection. Even under these conditions, this milfoil will develop healthy, large, green leaf whorls. Under stronger light and continuous CO2 fertilisation it grows faster and forms overall bigger leaves.
Nutrient-wise, M. mattogrossense is not picky, all it basically needs are a little NO3 and PO4. At higher nitrate (around 10 mg/l) and phosphate (1-2 mg/l) levels, the stems grow larger and more robust. If the shoot tips turn white, the plant urgently needs iron and micronutrients.

A good starter plant.

Light	medium to high
Temperature tolerance	18 to 28 °C
Optimum temperature	23 to 25 °C
Carbonate hardness	2 to 10 °dKH
pH value	5 to 7.5
Carbon dioxide (CO2)	20 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