Commelinaceae sp. "Green"

Species description

Care, breeding and tankmates

Plant profile

Placement

Midground

Due to its robust and upright growth habit, it is best placed in the background or midground of the aquarium. It should be planted in thick groupings to create a dense, vertical visual impact. It also performs exceptionally well when allowed to grow emersed out of the top of an open aquarium or in a paludarium.

Botanical form

Stem

It features long, fleshy, bamboo-like stems with elongated, lanceolate leaves arranged alternately along the stem. The leaves are a bright, vibrant green, and the stems themselves can sometimes take on a slightly lighter or yellowish-green hue. In its emersed form, the leaves are often slightly thicker and the plant may produce small flowers.

Growth

Medium

Under high light and with CO2 injection, this plant grows extremely fast, often requiring weekly trimming to keep it from taking over. In lower tech setups, it will still grow steadily but may become leggy with longer internodes. Its vigorous growth makes it an excellent choice for newly established tanks to help outcompete algae.

Substrate

High

Column fertilization

Recommended

Comprehensive liquid fertilization is crucial for this plant, especially in high-energy setups. It rapidly depletes nutrients from the water column, so a regular dosing schedule is necessary to prevent deficiencies. Potassium and iron are particularly important to maintain the bright green coloration and prevent pinholes in older leaves.

Root fertilization

None

While it feeds heavily from the water column, it also develops an extensive root system. Providing a nutrient-rich aquasoil or using root tabs will significantly boost its growth rate and overall health. Strong root feeding helps the stems grow thicker and more robust, preventing them from breaking easily.

Trimming

Occasional

Frequent and aggressive trimming is often required. You can cut the stems at any height; the rooted lower portion will typically send out two or more new shoots from the nodes just below the cut. Replanting the tops is the easiest way to propagate the plant and quickly increase the density of the group.

Propagation

Cuttings

Propagation is incredibly simple and is done by taking stem cuttings. Cut a healthy stem section, preferably with several leaves, and push it directly into the substrate. It will form roots very quickly and begin growing as an independent plant within a matter of days.

Sensitivity

Moderate

It is not particularly sensitive to water parameters and can tolerate a wide range of hardness and pH levels. However, it is very sensitive to low light, which will cause the lower leaves to turn brown and fall off, leaving bare stems. It is also quite brittle, so care must be taken during maintenance to avoid snapping the stems.

Layout role

Midground, Background, paludarium, riparium

It is ideal for creating tall, dense, bright green background thickets that provide a beautiful contrast to red plants or dark hardscape. Its bamboo-like appearance can add a unique structural element to the aquascape. When grown emersed, it adds a lush, tropical feel to open-top tanks and ripariums.