Species description

Care, breeding and tankmates

Plant profile

Placement

Midground

It is best utilized in the midground or as a background plant in smaller aquaria. The patterned leaves should be placed where they can be easily seen and appreciated. Avoid placing it in deep shade, which may cause the tiger stripes to fade.

Botanical form

Rosette

It shares the extremely narrow, grass-like leaf structure of V. nana, but features a distinct mutation. The leaves are adorned with dark, horizontal crossbands, earning it the 'Tiger' moniker. This unique striping is most pronounced under strong lighting.

Growth

Fast

It grows at a moderate to fast pace, depending heavily on light and nutrient availability. It will actively produce runners and form dense clusters over time. Regular maintenance is required to prevent it from encroaching on foreground areas.

Substrate

High

*Vallisneria nana* "Tiger" develops a strong root base that requires a deeply fertilized substrate to support its unique, patterned foliage. Planting in 2 to 3 inches (5-8 cm) of aqua soil or root-tab-enriched gravel ensures that the roots can hold the plant firmly and spread runners efficiently. The plant absorbs essential iron and micronutrients primarily from the soil layer, which directly enhances the distinctive tiger-like striping on its leaves.

Column fertilization

Recommended

Dosing a complete liquid fertilizer with iron is crucial for maintaining the dark tiger stripes. The plant relies on the water column for micronutrients to support its rapid growth. Consistent dosing prevents the leaves from becoming pale and losing their pattern.

Root fertilization

Recommended

A fertile substrate or the use of root tabs is highly recommended to support its vigorous runner production. Strong root feeding ensures the plant has the energy to maintain its distinct coloration. It develops a surprisingly extensive root system for such a delicate-looking plant.

Trimming

Occasional

Prune by removing the oldest leaves at the very base of the plant. Do not give the plant a "haircut" by snipping the leaves in half, as the cut ends will decay. Thin the colony by removing errant runners to maintain a clean aquascape design.

Propagation

Runners

It propagates easily and continuously via subterranean runners. The daughter plants will inherit the striped pattern of the mother plant. Once a new plant is established with roots, the runner can be cut and the plant moved if desired.

Sensitivity

Moderate

It is notoriously sensitive to liquid carbon supplements and will melt rapidly if exposed to them. It thrives in moderate to hard water and appreciates stable water parameters. Significant fluctuations in water chemistry can cause it to drop leaves or lose its pattern.

Layout role

Midground, group

It serves as a highly textured focal point in the midground or background. The tiger stripes add a layer of complex visual interest not found in standard grass-like plants. It contrasts beautifully with solid green or red plants in a planted aquarium.