Rotala Wallichii 'Mexicana'

Overview: Rotala Wallichii 'Mexicana' is one of the prettiest aquarium plants, which is popular fir its striking reddish coloration and relatively compact growth habit. It is commonly used in aquariums to create a colorful, eye-catching foreground or midground feature. Rotala Wallichii 'Mexicana' is native to Southeast Asia and is a popular choice in aquascaping due to its ease of care, relatively fast growth, and ability to add a splash of color to aquariums. While the plant is commonly found in tropical aquariums, it requires specific conditions to achieve its full-color potential, including high light and nutrient-rich water.

Appearance: Rotala Wallichii 'Mexicana' is popular for its slender, delicate stems and narrow, lance-shaped leaves. The vibrant coloration makes it highly attractive, especially when the leaves turn bright pink to red under high light and greenish in low light conditions. In Rotala Wallichii 'Mexicana,' the reddish hues are most intense in the upper portions of the plant, while the lower leaves may remain green. It typically grows upright, forming dense clusters or bushy patches. The plant can reach up to 12 inches (30 cm) in height, but regular trimming can keep it more compact. Its fine, feathery leaves and vibrant color make it a striking addition to any aquascape, especially when placed in groups to form colorful patches.

Hard/Soft Plant: Rotala wallichii 'Mexicana' is a soft plant. It means the plant is easy to grow but can be sensitive to water conditions, particularly light intensity and nutrient availability. Its delicate appearance and rapid growth rate make it suitable for both beginner and experienced aquarists who are looking for an attractive, low-maintenance plant.

Ideal Water Temperature: The ideal water temperature for Rotala wallichii 'Mexicana' ranges from 22°C to 28°C. It thrives in warm, tropical water, similar to many other aquatic plants. While the plant can tolerate slight fluctuations, it should not be exposed to cold temperatures for extended periods, as this can stunt its growth and affect the plant's appearance.

Lighting Conditions: Rotala Wallichii 'Mexicana' requires moderate to high lighting to develop its characteristic red and pink coloration. Under low light, the plant will remain primarily green and may appear leggy, with sparse leaves. The more intense the light, the more pronounced the red and pink hues will become.

Ideal pH Level: Rotala Wallichii 'Mexicana' requires a pH level between 6.0 and 7.5. A consistent pH is important for maintaining the plant's health and ensuring it achieves its full-color potential.

Other Requirements: Rotala wallichii 'Mexicana' prefers soft to moderately hard water, with a general hardness between 4 and 10 dGH. Also, it requires a nutrient-rich substrate and regular supplementation with liquid fertilizers. Regular fertilization is key to maintaining its color, especially under high lighting.

Propagation: Rotala wallichii 'Mexicana' can be propagated by stem cuttings. Simply trim a healthy stem with at least one node and replant it in the substrate.

Do You Know: Rotala wallichii 'Mexicana' is often mistaken for other similar-looking Rotala species, but its distinctive red and pink coloration, especially under high light, makes it stand out in aquascapes.