Hygrophila corymbosa 'Stricta'

Species description

Care, breeding and tankmates

Plant profile

Placement

Midground

This robust plant is ideally suited for the background or midground in larger aquariums. Its tall, upright growth pattern creates strong vertical lines that draw the eye upward. Grouping several stems together enhances its bushy appearance and provides an excellent contrast to finer-leaved plants.

Botanical form

Stem

This variant features sturdy, upright stems adorned with large, elongated, and slightly serrated green leaves. The leaves are typically broader and stiffer compared to other varieties, giving it a bold texture. Under intense lighting, the top leaves can develop an attractive reddish or brownish tint.

Growth

Fast

It exhibits a relatively fast growth rate under optimal conditions with high light and CO2. Even in lower-tech setups, it grows steadily and consistently. Its vigorous growth can quickly fill empty spaces, requiring regular maintenance to prevent it from overshadowing neighboring plants.

Substrate

High

Hygrophila corymbosa "Stricta" thrives best in a nutrient-rich substrate, preferably aquasoil, which caters to its high demand for root-fed nutrients. A generous substrate depth of at least 5-7 centimeters is required to accommodate its extensive, fast-growing root system and establish a sturdy anchor. While the plant can absorb some nutrients from the water column, a robust soil environment significantly promotes thicker stems, larger leaves, and vigorous overall growth.

Column fertilization

Recommended

Liquid fertilization is highly beneficial, as it readily absorbs nutrients through its large leaves. Regular dosing of nitrogen, phosphorus, and especially potassium will promote healthy and vigorous growth. Supplementing with trace elements ensures the plant maintains its structural integrity and vibrant hue.

Root fertilization

Recommended

While it draws significant nutrients from the water column, it also develops a strong root system. Providing a nutrient-rich substrate or inserting root tabs will significantly boost its overall health and stability. A fertile bed helps sustain its large size and prevents premature lower leaf drop.

Trimming

Occasional

Regular trimming is necessary to manage its height and encourage lateral branching, which results in a bushier appearance. You can top the plant by cutting the stem above a leaf node and replanting the cutting. The lower portion will often produce multiple side shoots, increasing the density of the group.

Propagation

Cuttings

Propagation is straightforward and achieved through simple stem cuttings. Simply snip a healthy top shoot and plant it directly into the substrate. Additionally, side shoots that develop along the main stem can be carefully removed and replanted to expand the group.

Sensitivity

Moderate

This species is generally quite hardy but can be sensitive to sudden changes in water parameters, leading to temporary melting. It is particularly prone to potassium deficiency, so monitoring for small holes in older leaves is important. It tolerates a wide range of temperatures and pH levels.

Layout role

Midground, Background

In the aquascape, it serves as a dominant background plant or a structural midground element in larger tanks. Its bold, thick foliage provides a solid green backdrop that contrasts beautifully with red plants or fine-textured species. It can also be used to conceal equipment or visually anchor hardscape materials.