Polygonum Sp. “Sao Paulo” red plant has leaves that are green in color and depending on the lighting and water condition the leaves show various shades of red to magenta. 

Why we need a beginners guide for Polygonum Sp. “Sao Paulo”? The beginner’s guide has all the information required for a hobbyist to know and care about this unique color-changing Polygonum Sp. “Sao Paulo” aquarium plant

Overview of Polygonum Sp. “Sao Paulo”

Common NameThis plant is commonly called Knotweed.
ColorIn the upper part of the area, leaves show red color. In the lower areas they are green.
Habitat/OriginThis plant has its origin in Brazil. But this is kept by the hobbyists of USA.
Average SizeThe plant can grow to a height of 30 cm. it grows shorter under high lighting.
Growth RateThe growth rate of the plant is moderate. But the addition of Co2 injection is mandatory. Hence the growth rate is fast.
PlacementThe plant can be placed in the background or mid-ground in the tank. They can also be used as semi emersed plants in an open tank.
MaintenanceThe plant requires a high demand for Co2 and fertilizers. Hence they should be given in proper proportion regularly.
Planting MethodsThe planting method is that they should be planted in isolation. They should not be planted in a group.
Ideal SetupAppropriate dKH is 0-14. The water can be soft to medium-hard. Lighting should be high. Fertilizer and Co2 demand are high.
Care LevelThe care level of this aquarium plant is low if proper fertilization and Co2 injection are done properly.
SupplementsCo2 injection should be given for strong coloration of the plant. Fertilizers which include iron and phosphate can be given.
LightingLighting can be medium to high. But under strong lighting, the leaves are red.
Water temperatureThe pH of the water should be 5.0-8.0. the temperature of the water can be between 19-30 degrees C.
PropogationThe plant can be propagated by head cutting. The stem can be cut and planted in the nutrient-rich substrate.
Approx. CostThe plant costs approximately $8 to $10 in USA. In Asian countries the cost relatively less (1/2 the USA price)
Common DiseasesThere is no particular disease as such recorded for this plant.
What to look for when buyingCheck if the plant looks healthy without any rotten stems or leaves. The leaves should be in proper shape.
Related SpecifiesPolygonum sp. “Pink”

Polygonum Sp. “Sao Paulo” Red plant gallery