Water well, then let the soil completely dry out in between applications. The top 75 percent of the soil should be dry before applying another application of water. Avoid overwatering.
Slow release fertilizer once a month during the growing season.
A red Aglaonema should be replanted in the spring every two to three years. The roots have greater room to expand when Aglaonema plants are repotted in a bigger pot.
Does well in normal room temperature; 20-30°C, however, avoid draughts as these can cause undesirable temperature fluctuations.