Species description

Care, breeding and tankmates

Plant profile

Placement

Background

With its long, flowing, narrow leaves and tall growth habit, it is an ideal background plant. It looks best when planted in dense clusters, where its willow-like foliage can sway gracefully in the water current. It should be placed where it will not shade shorter foreground plants. Its unique texture contrasts beautifully with broad-leaved or red aquatic plants.

Botanical form

Stem

Compared to the standard H. corymbosa, the 'Angustifolia' variant features significantly longer, narrower, and more pointed leaves, giving it a much finer, willow-like texture. The stems remain thick and sturdy, supporting the long, sweeping green foliage. Under intense lighting, the leaves may develop a subtle brownish or bronze tint. It maintains a very graceful and flowing appearance despite its large size.

Growth

Fast

This plant grows extremely fast, frequently requiring weekly pruning to prevent it from escaping the open top of the aquarium. It will readily grow emersed if allowed to breach the surface. Aggressive trimming encourages the plant to bush out with numerous side shoots. Its rapid metabolism makes it perfect for quickly filling empty spaces in a new aquascape.

Substrate

High

It develops a vast and powerful root network that thrives in deep, nutrient-rich active soils. It can also be grown easily in plain gravel or sand, provided that root tabs are added to sustain its rapid growth. A robust substrate prevents the large stems from becoming uprooted easily. The thicker the substrate layer, the better it can establish its massive base.

Column fertilization

Recommended

Liquid dosing is highly effective, as the long leaves absorb nutrients efficiently directly from the water column. A potassium-rich liquid fertilizer is strongly recommended to keep the foliage pristine and free of pinholes. It responds well to daily dosing of trace elements and macronutrients. Neglecting column fertilization in a lean substrate will quickly lead to stunted growth and dropped lower leaves.

Root fertilization

Recommended

Root feeding yields excellent results, ensuring the thick stems have a constant energy reserve. Pushing root tabs deep into an inert substrate will significantly boost growth speed and leaf size. In an active soil environment, it will quickly exhaust local nutrients, requiring eventual root tab replenishment. Strong roots help the plant recover swiftly from severe top-trimming.

Trimming

Regular

Trimming is done by simply cutting the stem at the desired height with sharp scissors. The base will soon produce multiple side shoots, turning the plant into a dense bush. The severed tops can be immediately replanted into the substrate.

Propagation

Cuttings

Propagation is exceptionally simple via stem cuttings. Snipping the top of a stem and replanting it will result in rapid root formation within days. The remaining bottom portion will aggressively sprout new lateral branches, creating a denser thicket. It is one of the easiest stem plants to propagate and share with other hobbyists.

Sensitivity

Moderate

It is a very hardy plant, forgiving of a wide range of water conditions and temperatures. However, severe potassium deficiency will manifest rapidly as pinholes in the long leaves. It is generally unbothered by most algae types.

Layout role

Midground, Background

It provides an excellent vertical contrast against broad-leaved or carpeting plants. Its flowing, willow-like appearance brings a natural, unkempt beauty to the background. It is a staple in creating lush, jungle-style aquatic landscapes.